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FAILED: patch "[PATCH] HID: magicmouse: avoid setting up battery timer when not" failed to apply to 6.1-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 6.1-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.1.y git checkout FETCH_HEAD git cherry-pick -x 9bdc30e35cbc1aa78ccf01040354209f1e11ca22 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025081245-chest-headband-a995@gregkh' --subject-prefix 'PATCH 6.1.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 9bdc30e35cbc1aa78ccf01040354209f1e11ca22 Mon Sep 17 00:00:00 2001 From: Aditya Garg <gargaditya08(a)live.com> Date: Mon, 30 Jun 2025 12:37:13 +0000 Subject: [PATCH] HID: magicmouse: avoid setting up battery timer when not needed Currently, the battery timer is set up for all devices using hid-magicmouse, irrespective of whether they actually need it or not. The current implementation requires the battery timer for Magic Mouse 2 and Magic Trackpad 2 when connected via USB only. Add checks to ensure that the battery timer is only set up when they are connected via USB. Fixes: 0b91b4e4dae6 ("HID: magicmouse: Report battery level over USB") Cc: stable(a)vger.kernel.org Signed-off-by: Aditya Garg <gargaditya08(a)live.com> Signed-off-by: Jiri Kosina <jkosina(a)suse.com> diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c index 36f034ac605d..226682762db3 100644 --- a/drivers/hid/hid-magicmouse.c +++ b/drivers/hid/hid-magicmouse.c @@ -791,17 +791,31 @@ static void magicmouse_enable_mt_work(struct work_struct *work) hid_err(msc->hdev, "unable to request touch data (%d)\n", ret); } +static bool is_usb_magicmouse2(__u32 vendor, __u32 product) +{ + if (vendor != USB_VENDOR_ID_APPLE) + return false; + return product == USB_DEVICE_ID_APPLE_MAGICMOUSE2 || + product == USB_DEVICE_ID_APPLE_MAGICMOUSE2_USBC; +} + +static bool is_usb_magictrackpad2(__u32 vendor, __u32 product) +{ + if (vendor != USB_VENDOR_ID_APPLE) + return false; + return product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD2 || + product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD2_USBC; +} + static int magicmouse_fetch_battery(struct hid_device *hdev) { #ifdef CONFIG_HID_BATTERY_STRENGTH struct hid_report_enum *report_enum; struct hid_report *report; - if (!hdev->battery || hdev->vendor != USB_VENDOR_ID_APPLE || - (hdev->product != USB_DEVICE_ID_APPLE_MAGICMOUSE2 && - hdev->product != USB_DEVICE_ID_APPLE_MAGICMOUSE2_USBC && - hdev->product != USB_DEVICE_ID_APPLE_MAGICTRACKPAD2 && - hdev->product != USB_DEVICE_ID_APPLE_MAGICTRACKPAD2_USBC)) + if (!hdev->battery || + (!is_usb_magicmouse2(hdev->vendor, hdev->product) && + !is_usb_magictrackpad2(hdev->vendor, hdev->product))) return -1; report_enum = &hdev->report_enum[hdev->battery_report_type]; @@ -863,17 +877,17 @@ static int magicmouse_probe(struct hid_device *hdev, return ret; } - timer_setup(&msc->battery_timer, magicmouse_battery_timer_tick, 0); - mod_timer(&msc->battery_timer, - jiffies + msecs_to_jiffies(USB_BATTERY_TIMEOUT_MS)); - magicmouse_fetch_battery(hdev); + if (is_usb_magicmouse2(id->vendor, id->product) || + is_usb_magictrackpad2(id->vendor, id->product)) { + timer_setup(&msc->battery_timer, magicmouse_battery_timer_tick, 0); + mod_timer(&msc->battery_timer, + jiffies + msecs_to_jiffies(USB_BATTERY_TIMEOUT_MS)); + magicmouse_fetch_battery(hdev); + } - if (id->vendor == USB_VENDOR_ID_APPLE && - (id->product == USB_DEVICE_ID_APPLE_MAGICMOUSE2 || - id->product == USB_DEVICE_ID_APPLE_MAGICMOUSE2_USBC || - ((id->product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD2 || - id->product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD2_USBC) && - hdev->type != HID_TYPE_USBMOUSE))) + if (is_usb_magicmouse2(id->vendor, id->product) || + (is_usb_magictrackpad2(id->vendor, id->product) && + hdev->type != HID_TYPE_USBMOUSE)) return 0; if (!msc->input) { @@ -936,7 +950,10 @@ static int magicmouse_probe(struct hid_device *hdev, return 0; err_stop_hw: - timer_delete_sync(&msc->battery_timer); + if (is_usb_magicmouse2(id->vendor, id->product) || + is_usb_magictrackpad2(id->vendor, id->product)) + timer_delete_sync(&msc->battery_timer); + hid_hw_stop(hdev); return ret; } @@ -947,7 +964,9 @@ static void magicmouse_remove(struct hid_device *hdev) if (msc) { cancel_delayed_work_sync(&msc->work); - timer_delete_sync(&msc->battery_timer); + if (is_usb_magicmouse2(hdev->vendor, hdev->product) || + is_usb_magictrackpad2(hdev->vendor, hdev->product)) + timer_delete_sync(&msc->battery_timer); } hid_hw_stop(hdev); @@ -964,11 +983,8 @@ static const __u8 *magicmouse_report_fixup(struct hid_device *hdev, __u8 *rdesc, * 0x05, 0x01, // Usage Page (Generic Desktop) 0 * 0x09, 0x02, // Usage (Mouse) 2 */ - if (hdev->vendor == USB_VENDOR_ID_APPLE && - (hdev->product == USB_DEVICE_ID_APPLE_MAGICMOUSE2 || - hdev->product == USB_DEVICE_ID_APPLE_MAGICMOUSE2_USBC || - hdev->product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD2 || - hdev->product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD2_USBC) && + if ((is_usb_magicmouse2(hdev->vendor, hdev->product) || + is_usb_magictrackpad2(hdev->vendor, hdev->product)) && *rsize == 83 && rdesc[46] == 0x84 && rdesc[58] == 0x85) { hid_info(hdev, "fixing up magicmouse battery report descriptor\n");

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FAILED: patch "[PATCH] HID: magicmouse: avoid setting up battery timer when not" failed to apply to 5.15-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.15-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.15.y git checkout FETCH_HEAD git cherry-pick -x 9bdc30e35cbc1aa78ccf01040354209f1e11ca22 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025081246-taco-trimmer-efd3@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 9bdc30e35cbc1aa78ccf01040354209f1e11ca22 Mon Sep 17 00:00:00 2001 From: Aditya Garg <gargaditya08(a)live.com> Date: Mon, 30 Jun 2025 12:37:13 +0000 Subject: [PATCH] HID: magicmouse: avoid setting up battery timer when not needed Currently, the battery timer is set up for all devices using hid-magicmouse, irrespective of whether they actually need it or not. The current implementation requires the battery timer for Magic Mouse 2 and Magic Trackpad 2 when connected via USB only. Add checks to ensure that the battery timer is only set up when they are connected via USB. Fixes: 0b91b4e4dae6 ("HID: magicmouse: Report battery level over USB") Cc: stable(a)vger.kernel.org Signed-off-by: Aditya Garg <gargaditya08(a)live.com> Signed-off-by: Jiri Kosina <jkosina(a)suse.com> diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c index 36f034ac605d..226682762db3 100644 --- a/drivers/hid/hid-magicmouse.c +++ b/drivers/hid/hid-magicmouse.c @@ -791,17 +791,31 @@ static void magicmouse_enable_mt_work(struct work_struct *work) hid_err(msc->hdev, "unable to request touch data (%d)\n", ret); } +static bool is_usb_magicmouse2(__u32 vendor, __u32 product) +{ + if (vendor != USB_VENDOR_ID_APPLE) + return false; + return product == USB_DEVICE_ID_APPLE_MAGICMOUSE2 || + product == USB_DEVICE_ID_APPLE_MAGICMOUSE2_USBC; +} + +static bool is_usb_magictrackpad2(__u32 vendor, __u32 product) +{ + if (vendor != USB_VENDOR_ID_APPLE) + return false; + return product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD2 || + product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD2_USBC; +} + static int magicmouse_fetch_battery(struct hid_device *hdev) { #ifdef CONFIG_HID_BATTERY_STRENGTH struct hid_report_enum *report_enum; struct hid_report *report; - if (!hdev->battery || hdev->vendor != USB_VENDOR_ID_APPLE || - (hdev->product != USB_DEVICE_ID_APPLE_MAGICMOUSE2 && - hdev->product != USB_DEVICE_ID_APPLE_MAGICMOUSE2_USBC && - hdev->product != USB_DEVICE_ID_APPLE_MAGICTRACKPAD2 && - hdev->product != USB_DEVICE_ID_APPLE_MAGICTRACKPAD2_USBC)) + if (!hdev->battery || + (!is_usb_magicmouse2(hdev->vendor, hdev->product) && + !is_usb_magictrackpad2(hdev->vendor, hdev->product))) return -1; report_enum = &hdev->report_enum[hdev->battery_report_type]; @@ -863,17 +877,17 @@ static int magicmouse_probe(struct hid_device *hdev, return ret; } - timer_setup(&msc->battery_timer, magicmouse_battery_timer_tick, 0); - mod_timer(&msc->battery_timer, - jiffies + msecs_to_jiffies(USB_BATTERY_TIMEOUT_MS)); - magicmouse_fetch_battery(hdev); + if (is_usb_magicmouse2(id->vendor, id->product) || + is_usb_magictrackpad2(id->vendor, id->product)) { + timer_setup(&msc->battery_timer, magicmouse_battery_timer_tick, 0); + mod_timer(&msc->battery_timer, + jiffies + msecs_to_jiffies(USB_BATTERY_TIMEOUT_MS)); + magicmouse_fetch_battery(hdev); + } - if (id->vendor == USB_VENDOR_ID_APPLE && - (id->product == USB_DEVICE_ID_APPLE_MAGICMOUSE2 || - id->product == USB_DEVICE_ID_APPLE_MAGICMOUSE2_USBC || - ((id->product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD2 || - id->product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD2_USBC) && - hdev->type != HID_TYPE_USBMOUSE))) + if (is_usb_magicmouse2(id->vendor, id->product) || + (is_usb_magictrackpad2(id->vendor, id->product) && + hdev->type != HID_TYPE_USBMOUSE)) return 0; if (!msc->input) { @@ -936,7 +950,10 @@ static int magicmouse_probe(struct hid_device *hdev, return 0; err_stop_hw: - timer_delete_sync(&msc->battery_timer); + if (is_usb_magicmouse2(id->vendor, id->product) || + is_usb_magictrackpad2(id->vendor, id->product)) + timer_delete_sync(&msc->battery_timer); + hid_hw_stop(hdev); return ret; } @@ -947,7 +964,9 @@ static void magicmouse_remove(struct hid_device *hdev) if (msc) { cancel_delayed_work_sync(&msc->work); - timer_delete_sync(&msc->battery_timer); + if (is_usb_magicmouse2(hdev->vendor, hdev->product) || + is_usb_magictrackpad2(hdev->vendor, hdev->product)) + timer_delete_sync(&msc->battery_timer); } hid_hw_stop(hdev); @@ -964,11 +983,8 @@ static const __u8 *magicmouse_report_fixup(struct hid_device *hdev, __u8 *rdesc, * 0x05, 0x01, // Usage Page (Generic Desktop) 0 * 0x09, 0x02, // Usage (Mouse) 2 */ - if (hdev->vendor == USB_VENDOR_ID_APPLE && - (hdev->product == USB_DEVICE_ID_APPLE_MAGICMOUSE2 || - hdev->product == USB_DEVICE_ID_APPLE_MAGICMOUSE2_USBC || - hdev->product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD2 || - hdev->product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD2_USBC) && + if ((is_usb_magicmouse2(hdev->vendor, hdev->product) || + is_usb_magictrackpad2(hdev->vendor, hdev->product)) && *rsize == 83 && rdesc[46] == 0x84 && rdesc[58] == 0x85) { hid_info(hdev, "fixing up magicmouse battery report descriptor\n");

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+ iov_iter-iterate_folioq-fix-handling-of-offset-=-folio-size.patch added to mm-hotfixes-unstable branch

by Andrew Morton

The patch titled Subject: iov_iter: iterate_folioq: fix handling of offset >= folio size has been added to the -mm mm-hotfixes-unstable branch. Its filename is iov_iter-iterate_folioq-fix-handling-of-offset-=-folio-size.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patche… This patch will later appear in the mm-hotfixes-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Dominique Martinet <asmadeus(a)codewreck.org> Subject: iov_iter: iterate_folioq: fix handling of offset >= folio size Date: Mon, 11 Aug 2025 16:39:05 +0900 So we've had this regression in 9p for.. almost a year, which is way too long, but there was no "easy" reproducer until yesterday (thank you again!!) It turned out to be a bug with iov_iter on folios, iov_iter_get_pages_alloc2() would advance the iov_iter correctly up to the end edge of a folio and the later copy_to_iter() fails on the iterate_folioq() bug. Happy to consider alternative ways of fixing this, now there's a reproducer it's all much clearer; for the bug to be visible we basically need to make and IO with non-contiguous folios in the iov_iter which is not obvious to test with synthetic VMs, with size that triggers a zero-copy read followed by a non-zero-copy read. It's apparently possible to get an iov forwarded all the way up to the end of the current page we're looking at, e.g. (gdb) p *iter $24 = {iter_type = 4 '\004', nofault = false, data_source = false, iov_offset = 4096, {__ubuf_iovec = { iov_base = 0xffff88800f5bc000, iov_len = 655}, {{__iov = 0xffff88800f5bc000, kvec = 0xffff88800f5bc000, bvec = 0xffff88800f5bc000, folioq = 0xffff88800f5bc000, xarray = 0xffff88800f5bc000, ubuf = 0xffff88800f5bc000}, count = 655}}, {nr_segs = 2, folioq_slot = 2 '\002', xarray_start = 2}} Where iov_offset is 4k with 4k-sized folios This should have been because we're only in the 2nd slot and there's another one after this, but iterate_folioq should not try to map a folio that skips the whole size, and more importantly part here does not end up zero (because 'PAGE_SIZE - skip % PAGE_SIZE' ends up PAGE_SIZE and not zero..), so skip forward to the "advance to next folio" code. Link: https://lkml.kernel.org/r/20250811-iot_iter_folio-v1-0-d9c223adf93c@codewre… Link: https://lkml.kernel.org/r/20250811-iot_iter_folio-v1-1-d9c223adf93c@codewre… Link: https://lkml.kernel.org/r/D4LHHUNLG79Y.12PI0X6BEHRHW@mbosch.me/ Fixes: db0aa2e9566f ("mm: Define struct folio_queue and ITER_FOLIOQ to handle a sequence of folios") Signed-off-by: Dominique Martinet <asmadeus(a)codewreck.org> Reported-by: Maximilian Bosch <maximilian(a)mbosch.me> Reported-by: Ryan Lahfa <ryan(a)lahfa.xyz> Reported-by: Christian Theune <ct(a)flyingcircus.io> Reported-by: Arnout Engelen <arnout(a)bzzt.net> Cc: Al Viro <viro(a)zeniv.linux.org.uk> Cc: Christian Brauner <brauner(a)kernel.org> Cc: David Howells <dhowells(a)redhat.com> Cc: Ryan Lahfa <ryan(a)lahfa.xyz> Cc: <stable(a)vger.kernel.org> [v6.12+] Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> --- include/linux/iov_iter.h | 3 +++ 1 file changed, 3 insertions(+) --- a/include/linux/iov_iter.h~iov_iter-iterate_folioq-fix-handling-of-offset-=-folio-size +++ a/include/linux/iov_iter.h @@ -168,6 +168,8 @@ size_t iterate_folioq(struct iov_iter *i break; fsize = folioq_folio_size(folioq, slot); + if (skip >= fsize) + goto next; base = kmap_local_folio(folio, skip); part = umin(len, PAGE_SIZE - skip % PAGE_SIZE); remain = step(base, progress, part, priv, priv2); @@ -177,6 +179,7 @@ size_t iterate_folioq(struct iov_iter *i progress += consumed; skip += consumed; if (skip >= fsize) { +next: skip = 0; slot++; if (slot == folioq_nr_slots(folioq) && folioq->next) { _ Patches currently in -mm which might be from asmadeus(a)codewreck.org are iov_iter-iterate_folioq-fix-handling-of-offset-=-folio-size.patch iov_iter-iov_folioq_get_pages-dont-leave-empty-slot-behind.patch

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FAILED: patch "[PATCH] HID: apple: avoid setting up battery timer for devices" failed to apply to 6.12-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 6.12-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.12.y git checkout FETCH_HEAD git cherry-pick -x c061046fe9ce3ff31fb9a807144a2630ad349c17 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025081201-cupid-custodian-14e8@gregkh' --subject-prefix 'PATCH 6.12.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From c061046fe9ce3ff31fb9a807144a2630ad349c17 Mon Sep 17 00:00:00 2001 From: Aditya Garg <gargaditya08(a)live.com> Date: Mon, 30 Jun 2025 12:37:13 +0000 Subject: [PATCH] HID: apple: avoid setting up battery timer for devices without battery Currently, the battery timer is set up for all devices using hid-apple, irrespective of whether they actually have a battery or not. APPLE_RDESC_BATTERY is a quirk that indicates the device has a battery and needs the battery timer. This patch checks for this quirk before setting up the timer, ensuring that only devices with a battery will have the timer set up. Fixes: 6e143293e17a ("HID: apple: Report Magic Keyboard battery over USB") Cc: stable(a)vger.kernel.org Signed-off-by: Aditya Garg <gargaditya08(a)live.com> Signed-off-by: Jiri Kosina <jkosina(a)suse.com> diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c index 0639b1f43d88..8ab15a8f3524 100644 --- a/drivers/hid/hid-apple.c +++ b/drivers/hid/hid-apple.c @@ -933,10 +933,12 @@ static int apple_probe(struct hid_device *hdev, return ret; } - timer_setup(&asc->battery_timer, apple_battery_timer_tick, 0); - mod_timer(&asc->battery_timer, - jiffies + msecs_to_jiffies(APPLE_BATTERY_TIMEOUT_MS)); - apple_fetch_battery(hdev); + if (quirks & APPLE_RDESC_BATTERY) { + timer_setup(&asc->battery_timer, apple_battery_timer_tick, 0); + mod_timer(&asc->battery_timer, + jiffies + msecs_to_jiffies(APPLE_BATTERY_TIMEOUT_MS)); + apple_fetch_battery(hdev); + } if (quirks & APPLE_BACKLIGHT_CTL) apple_backlight_init(hdev); @@ -950,7 +952,9 @@ static int apple_probe(struct hid_device *hdev, return 0; out_err: - timer_delete_sync(&asc->battery_timer); + if (quirks & APPLE_RDESC_BATTERY) + timer_delete_sync(&asc->battery_timer); + hid_hw_stop(hdev); return ret; } @@ -959,7 +963,8 @@ static void apple_remove(struct hid_device *hdev) { struct apple_sc *asc = hid_get_drvdata(hdev); - timer_delete_sync(&asc->battery_timer); + if (asc->quirks & APPLE_RDESC_BATTERY) + timer_delete_sync(&asc->battery_timer); hid_hw_stop(hdev); }

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FAILED: patch "[PATCH] HID: apple: avoid setting up battery timer for devices" failed to apply to 6.6-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 6.6-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.6.y git checkout FETCH_HEAD git cherry-pick -x c061046fe9ce3ff31fb9a807144a2630ad349c17 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025081201-undamaged-referee-deb6@gregkh' --subject-prefix 'PATCH 6.6.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From c061046fe9ce3ff31fb9a807144a2630ad349c17 Mon Sep 17 00:00:00 2001 From: Aditya Garg <gargaditya08(a)live.com> Date: Mon, 30 Jun 2025 12:37:13 +0000 Subject: [PATCH] HID: apple: avoid setting up battery timer for devices without battery Currently, the battery timer is set up for all devices using hid-apple, irrespective of whether they actually have a battery or not. APPLE_RDESC_BATTERY is a quirk that indicates the device has a battery and needs the battery timer. This patch checks for this quirk before setting up the timer, ensuring that only devices with a battery will have the timer set up. Fixes: 6e143293e17a ("HID: apple: Report Magic Keyboard battery over USB") Cc: stable(a)vger.kernel.org Signed-off-by: Aditya Garg <gargaditya08(a)live.com> Signed-off-by: Jiri Kosina <jkosina(a)suse.com> diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c index 0639b1f43d88..8ab15a8f3524 100644 --- a/drivers/hid/hid-apple.c +++ b/drivers/hid/hid-apple.c @@ -933,10 +933,12 @@ static int apple_probe(struct hid_device *hdev, return ret; } - timer_setup(&asc->battery_timer, apple_battery_timer_tick, 0); - mod_timer(&asc->battery_timer, - jiffies + msecs_to_jiffies(APPLE_BATTERY_TIMEOUT_MS)); - apple_fetch_battery(hdev); + if (quirks & APPLE_RDESC_BATTERY) { + timer_setup(&asc->battery_timer, apple_battery_timer_tick, 0); + mod_timer(&asc->battery_timer, + jiffies + msecs_to_jiffies(APPLE_BATTERY_TIMEOUT_MS)); + apple_fetch_battery(hdev); + } if (quirks & APPLE_BACKLIGHT_CTL) apple_backlight_init(hdev); @@ -950,7 +952,9 @@ static int apple_probe(struct hid_device *hdev, return 0; out_err: - timer_delete_sync(&asc->battery_timer); + if (quirks & APPLE_RDESC_BATTERY) + timer_delete_sync(&asc->battery_timer); + hid_hw_stop(hdev); return ret; } @@ -959,7 +963,8 @@ static void apple_remove(struct hid_device *hdev) { struct apple_sc *asc = hid_get_drvdata(hdev); - timer_delete_sync(&asc->battery_timer); + if (asc->quirks & APPLE_RDESC_BATTERY) + timer_delete_sync(&asc->battery_timer); hid_hw_stop(hdev); }

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FAILED: patch "[PATCH] HID: apple: avoid setting up battery timer for devices" failed to apply to 6.1-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 6.1-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.1.y git checkout FETCH_HEAD git cherry-pick -x c061046fe9ce3ff31fb9a807144a2630ad349c17 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025081202-delirium-stubborn-aa45@gregkh' --subject-prefix 'PATCH 6.1.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From c061046fe9ce3ff31fb9a807144a2630ad349c17 Mon Sep 17 00:00:00 2001 From: Aditya Garg <gargaditya08(a)live.com> Date: Mon, 30 Jun 2025 12:37:13 +0000 Subject: [PATCH] HID: apple: avoid setting up battery timer for devices without battery Currently, the battery timer is set up for all devices using hid-apple, irrespective of whether they actually have a battery or not. APPLE_RDESC_BATTERY is a quirk that indicates the device has a battery and needs the battery timer. This patch checks for this quirk before setting up the timer, ensuring that only devices with a battery will have the timer set up. Fixes: 6e143293e17a ("HID: apple: Report Magic Keyboard battery over USB") Cc: stable(a)vger.kernel.org Signed-off-by: Aditya Garg <gargaditya08(a)live.com> Signed-off-by: Jiri Kosina <jkosina(a)suse.com> diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c index 0639b1f43d88..8ab15a8f3524 100644 --- a/drivers/hid/hid-apple.c +++ b/drivers/hid/hid-apple.c @@ -933,10 +933,12 @@ static int apple_probe(struct hid_device *hdev, return ret; } - timer_setup(&asc->battery_timer, apple_battery_timer_tick, 0); - mod_timer(&asc->battery_timer, - jiffies + msecs_to_jiffies(APPLE_BATTERY_TIMEOUT_MS)); - apple_fetch_battery(hdev); + if (quirks & APPLE_RDESC_BATTERY) { + timer_setup(&asc->battery_timer, apple_battery_timer_tick, 0); + mod_timer(&asc->battery_timer, + jiffies + msecs_to_jiffies(APPLE_BATTERY_TIMEOUT_MS)); + apple_fetch_battery(hdev); + } if (quirks & APPLE_BACKLIGHT_CTL) apple_backlight_init(hdev); @@ -950,7 +952,9 @@ static int apple_probe(struct hid_device *hdev, return 0; out_err: - timer_delete_sync(&asc->battery_timer); + if (quirks & APPLE_RDESC_BATTERY) + timer_delete_sync(&asc->battery_timer); + hid_hw_stop(hdev); return ret; } @@ -959,7 +963,8 @@ static void apple_remove(struct hid_device *hdev) { struct apple_sc *asc = hid_get_drvdata(hdev); - timer_delete_sync(&asc->battery_timer); + if (asc->quirks & APPLE_RDESC_BATTERY) + timer_delete_sync(&asc->battery_timer); hid_hw_stop(hdev); }

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[PATCH v1] ufs: host: mediatek: Fix out-of-bounds access in MCQ IRQ mapping

by peter.wang＠mediatek.com

From: Peter Wang <peter.wang(a)mediatek.com> This patch addresses a potential out-of-bounds access issue when accessing 'host->mcq_intr_info[q_index]'. The value of 'q_index' might exceed the valid array bounds if 'q_index == nr'. The condition is corrected to 'q_index >= nr' to prevent accessing invalid memory. Fixes: 66e26a4b8a77 ("scsi: ufs: host: mediatek: Set IRQ affinity policy for MCQ mode") Cc: <stable(a)vger.kernel.org> Reported-by: Dan Carpenter <dan.carpenter(a)linaro.org> Signed-off-by: Peter Wang <peter.wang(a)mediatek.com> --- drivers/ufs/host/ufs-mediatek.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/ufs/host/ufs-mediatek.c b/drivers/ufs/host/ufs-mediatek.c index 86ae73b89d4d..f902ce08c95a 100644 --- a/drivers/ufs/host/ufs-mediatek.c +++ b/drivers/ufs/host/ufs-mediatek.c @@ -818,7 +818,7 @@ static u32 ufs_mtk_mcq_get_irq(struct ufs_hba *hba, unsigned int cpu) unsigned int q_index; q_index = map->mq_map[cpu]; - if (q_index > nr) { + if (q_index >= nr) { dev_err(hba->dev, "hwq index %d exceed %d\n", q_index, nr); return MTK_MCQ_INVALID_IRQ; -- 2.45.2

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We are interested in purchasing your products

by PERDIS SUPER U

-- Hi, PERDIS SUPER U is a leading retail group in France with numerous outlets across the country. After reviewing your company profile and products, we’re very interested in establishing a long-term partnership. Kindly share your product catalog or website so we can review your offerings and pricing. We are ready to place orders and begin cooperation.Please note: Our payment terms are SWIFT, 14 days after delivery. Looking forward to your response. Best regards, Dominique Schelcher Director, PERDIS SUPER U RUE DE SAVOIE, 45600 SAINT-PÈRE-SUR-LOIRE VAT: FR65380071464 www.magasins-u.com

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Re: [PATCH] ACPI: EC: Relax sanity check of the ECDT ID string

by Ilya K

On 2025-08-12 16:32, Rafael J. Wysocki wrote: > > Applied as 6.17-rc material and sorry for the delay (I was offline). > > Thanks! Thanks! Tagging stable@ so we're hopefully in time for 6.16.1.

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[PATCH 5.4 0/6] Fix build due to clang -Qunused-arguments change

by Nathan Chancellor

This is an updated version of [1], just for 5.4, which was waiting on commit 87c4e1459e80 ("ARM: 9448/1: Use an absolute path to unified.h in KBUILD_AFLAGS") to avoid regressing the build [2]. These changes are needed there due to an upstream LLVM change [3] that changes the behavior of -Qunused-arguments with unknown target options, which is only used in 6.1 and older since I removed it in commit 8d9acfce3332 ("kbuild: Stop using '-Qunused-arguments' with clang") in 6.3. Please let me know if there are any issues. [1]: https://lore.kernel.org/20250604233141.GA2374479@ax162/ [2]: https://lore.kernel.org/CACo-S-1qbCX4WAVFA63dWfHtrRHZBTyyr2js8Lx=Az03XHTTHg… [3]: https://github.com/llvm/llvm-project/commit/a4b2f4a72aa9b4655ecc723838830e0… Masahiro Yamada (1): kbuild: add $(CLANG_FLAGS) to KBUILD_CPPFLAGS Nathan Chancellor (4): ARM: 9448/1: Use an absolute path to unified.h in KBUILD_AFLAGS mips: Include KBUILD_CPPFLAGS in CHECKFLAGS invocation kbuild: Add CLANG_FLAGS to as-instr kbuild: Add KBUILD_CPPFLAGS to as-option invocation Nick Desaulniers (1): kbuild: Update assembler calls to use proper flags and language target Makefile | 3 +-- arch/arm/Makefile | 2 +- arch/mips/Makefile | 2 +- scripts/Kbuild.include | 8 ++++---- 4 files changed, 7 insertions(+), 8 deletions(-) base-commit: 04b7726c3cdd2fb4da040c2b898bcf405ed607bd -- 2.50.1

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