- Linux-stable-mirror - lists.linaro.org

[PATCH v2 2/2] Bluetooth: hci_qca: Convert timeout from jiffies to ms

by Shuai Zhang

Since the timer uses jiffies as its unit rather than ms, the timeout value must be converted from ms to jiffies when configuring the timer. Otherwise, the intended 8s timeout is incorrectly set to approximately 33s. Cc: stable(a)vger.kernel.org Signed-off-by: Shuai Zhang <quic_shuaz(a)quicinc.com> --- drivers/bluetooth/hci_qca.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c index fa6be1992..c14b2fa9d 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -1602,7 +1602,7 @@ static void qca_wait_for_dump_collection(struct hci_dev *hdev) struct qca_data *qca = hu->priv; wait_on_bit_timeout(&qca->flags, QCA_MEMDUMP_COLLECTION, - TASK_UNINTERRUPTIBLE, MEMDUMP_TIMEOUT_MS); + TASK_UNINTERRUPTIBLE, msecs_to_jiffies(MEMDUMP_TIMEOUT_MS)); clear_bit(QCA_MEMDUMP_COLLECTION, &qca->flags); } -- 2.34.1

6 days, 3 hours

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[PATCH v2 1/2] Bluetooth: qca: Fix delayed hw_error handling due to missing wakeup during SSR

by Shuai Zhang

When Bluetooth controller encounters a coredump, it triggers the Subsystem Restart (SSR) mechanism. The controller first reports the coredump data, and once the data upload is complete, it sends a hw_error event. The host relies on this event to proceed with subsequent recovery actions. If the host has not finished processing the coredump data when the hw_error event is received, it sets a timer to wait until either the data processing is complete or the timeout expires before handling the event. The current implementation lacks a wakeup trigger. As a result, even if the coredump data has already been processed, the host continues to wait until the timer expires, causing unnecessary delays in handling the hw_error event. To fix this issue, adds a `wake_up_bit()` call after the host finishes processing the coredump data. This ensures that the waiting thread is promptly notified and can proceed to handle the hw_error event without waiting for the timeout. Test case: - Trigger controller coredump using the command: `hcitool cmd 0x3f 0c 26`. - Use `btmon` to capture HCI logs. - Observe the time interval between receiving the hw_error event and the execution of the power-off sequence in the HCI log. Cc: stable(a)vger.kernel.org Signed-off-by: Shuai Zhang <quic_shuaz(a)quicinc.com> --- drivers/bluetooth/hci_qca.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c index 888176b0f..fa6be1992 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -1103,7 +1103,7 @@ static void qca_controller_memdump(struct work_struct *work) qca->qca_memdump = NULL; qca->memdump_state = QCA_MEMDUMP_COLLECTED; cancel_delayed_work(&qca->ctrl_memdump_timeout); - clear_bit(QCA_MEMDUMP_COLLECTION, &qca->flags); + clear_and_wake_up_bit(QCA_MEMDUMP_COLLECTION, &qca->flags); clear_bit(QCA_IBS_DISABLED, &qca->flags); mutex_unlock(&qca->hci_memdump_lock); return; @@ -1181,7 +1181,7 @@ static void qca_controller_memdump(struct work_struct *work) kfree(qca->qca_memdump); qca->qca_memdump = NULL; qca->memdump_state = QCA_MEMDUMP_COLLECTED; - clear_bit(QCA_MEMDUMP_COLLECTION, &qca->flags); + clear_and_wake_up_bit(QCA_MEMDUMP_COLLECTION, &qca->flags); } mutex_unlock(&qca->hci_memdump_lock); -- 2.34.1

6 days, 3 hours

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[RFT PATCH] mfd: max77620: Fix potential IRQ chip conflict when probing two devices

by Krzysztof Kozlowski

MAX77620 is most likely always a single device on the board, however nothing stops board designers to have two of them, thus same device driver could probe twice. Or user could manually try to probing second time. Device driver is not ready for that case, because it allocates statically 'struct regmap_irq_chip' as non-const and stores during probe in 'irq_drv_data' member a pointer to per-probe state container ('struct max77620_chip'). devm_regmap_add_irq_chip() does not make a copy of 'struct regmap_irq_chip' but store the pointer. Second probe - either successful or failure - would overwrite the 'irq_drv_data' from previous device probe, so interrupts would be executed in a wrong context. Fixes: 3df140d11c6d ("mfd: max77620: Mask/unmask interrupt before/after servicing it") Cc: <stable(a)vger.kernel.org> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski(a)linaro.org> --- Not tested on hardware --- drivers/mfd/max77620.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/drivers/mfd/max77620.c b/drivers/mfd/max77620.c index 21d2ab3db254..3af2974b3023 100644 --- a/drivers/mfd/max77620.c +++ b/drivers/mfd/max77620.c @@ -254,7 +254,7 @@ static int max77620_irq_global_unmask(void *irq_drv_data) return ret; } -static struct regmap_irq_chip max77620_top_irq_chip = { +static const struct regmap_irq_chip max77620_top_irq_chip = { .name = "max77620-top", .irqs = max77620_top_irqs, .num_irqs = ARRAY_SIZE(max77620_top_irqs), @@ -498,6 +498,7 @@ static int max77620_probe(struct i2c_client *client) const struct i2c_device_id *id = i2c_client_get_device_id(client); const struct regmap_config *rmap_config; struct max77620_chip *chip; + struct regmap_irq_chip *chip_desc; const struct mfd_cell *mfd_cells; int n_mfd_cells; bool pm_off; @@ -508,6 +509,14 @@ static int max77620_probe(struct i2c_client *client) return -ENOMEM; i2c_set_clientdata(client, chip); + + chip_desc = devm_kmemdup(&client->dev, &max77620_top_irq_chip, + sizeof(max77620_top_irq_chip), + GFP_KERNEL); + if (!chip_desc) + return -ENOMEM; + chip_desc->irq_drv_data = chip; + chip->dev = &client->dev; chip->chip_irq = client->irq; chip->chip_id = (enum max77620_chip_id)id->driver_data; @@ -544,11 +553,9 @@ static int max77620_probe(struct i2c_client *client) if (ret < 0) return ret; - max77620_top_irq_chip.irq_drv_data = chip; ret = devm_regmap_add_irq_chip(chip->dev, chip->rmap, client->irq, IRQF_ONESHOT | IRQF_SHARED, 0, - &max77620_top_irq_chip, - &chip->top_irq_data); + chip_desc, &chip->top_irq_data); if (ret < 0) { dev_err(chip->dev, "Failed to add regmap irq: %d\n", ret); return ret; -- 2.48.1

6 days, 4 hours

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Re: Patch "drm/amd/display: change dc stream color settings only in atomic commit" has been added to the 6.12-stable tree

by Melissa Wen

Hi Sasha, Can you backport the previous related commit (2f9c63883730 "drm/amd/display: update color on atomic commit time" [1]) too? Otherwise, the commit below alone will cause regressions. Thanks, Melissa [1] https://github.com/torvalds/linux/commit/2f9c63883730a0bfecb086e6e59246933f… On 04/11/2025 21:07, Sasha Levin wrote: > This is a note to let you know that I've just added the patch titled > > drm/amd/display: change dc stream color settings only in atomic commit > > to the 6.12-stable tree which can be found at: > http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… > > The filename of the patch is: > drm-amd-display-change-dc-stream-color-settings-only.patch > and it can be found in the queue-6.12 subdirectory. > > If you, or anyone else, feels it should not be added to the stable tree, > please let <stable(a)vger.kernel.org> know about it. > > > > commit fbdf5decdbe18e9488d0bf6ade60f63bf0348ee1 > Author: Melissa Wen <mwen(a)igalia.com> > Date: Thu Sep 11 14:21:20 2025 -0300 > > drm/amd/display: change dc stream color settings only in atomic commit > > [ Upstream commit 51cb93aa0c4a9bb126b76f6e9fd640d88de25cee ] > > Don't update DC stream color components during atomic check. The driver > will continue validating the new CRTC color state but will not change DC > stream color components. The DC stream color state will only be > programmed at commit time in the `atomic_setup_commit` stage. > > It fixes gamma LUT loss reported by KDE users when changing brightness > quickly or changing Display settings (such as overscan) with nightlight > on and HDR. As KWin can do a test commit with color settings different > from those that should be applied in a non-test-only commit, if the > driver changes DC stream color state in atomic check, this state can be > eventually HW programmed in commit tail, instead of the respective state > set by the non-blocking commit. > > Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4444 > Reported-by: Xaver Hugl <xaver.hugl(a)gmail.com> > Signed-off-by: Melissa Wen <mwen(a)igalia.com> > Reviewed-by: Harry Wentland <harry.wentland(a)amd.com> > Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> > Signed-off-by: Sasha Levin <sashal(a)kernel.org> > > diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c > index ea6bc9517ed86..c314c213c21c3 100644 > --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c > +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c > @@ -10773,7 +10773,7 @@ static int dm_update_crtc_state(struct amdgpu_display_manager *dm, > if (dm_new_crtc_state->base.color_mgmt_changed || > dm_old_crtc_state->regamma_tf != dm_new_crtc_state->regamma_tf || > drm_atomic_crtc_needs_modeset(new_crtc_state)) { > - ret = amdgpu_dm_update_crtc_color_mgmt(dm_new_crtc_state); > + ret = amdgpu_dm_check_crtc_color_mgmt(dm_new_crtc_state, true); > if (ret) > goto fail; > } > diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h > index 9603352ee0949..47f6569be54cb 100644 > --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h > +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h > @@ -971,6 +971,8 @@ void amdgpu_dm_init_color_mod(void); > int amdgpu_dm_create_color_properties(struct amdgpu_device *adev); > int amdgpu_dm_verify_lut_sizes(const struct drm_crtc_state *crtc_state); > int amdgpu_dm_update_crtc_color_mgmt(struct dm_crtc_state *crtc); > +int amdgpu_dm_check_crtc_color_mgmt(struct dm_crtc_state *crtc, > + bool check_only); > int amdgpu_dm_update_plane_color_mgmt(struct dm_crtc_state *crtc, > struct drm_plane_state *plane_state, > struct dc_plane_state *dc_plane_state); > diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c > index ebabfe3a512f4..e9c765e1c17ce 100644 > --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c > +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c > @@ -566,12 +566,11 @@ static int __set_output_tf(struct dc_transfer_func *func, > return res ? 0 : -ENOMEM; > } > > -static int amdgpu_dm_set_atomic_regamma(struct dc_stream_state *stream, > +static int amdgpu_dm_set_atomic_regamma(struct dc_transfer_func *out_tf, > const struct drm_color_lut *regamma_lut, > uint32_t regamma_size, bool has_rom, > enum dc_transfer_func_predefined tf) > { > - struct dc_transfer_func *out_tf = &stream->out_transfer_func; > int ret = 0; > > if (regamma_size || tf != TRANSFER_FUNCTION_LINEAR) { > @@ -885,33 +884,33 @@ int amdgpu_dm_verify_lut_sizes(const struct drm_crtc_state *crtc_state) > } > > /** > - * amdgpu_dm_update_crtc_color_mgmt: Maps DRM color management to DC stream. > + * amdgpu_dm_check_crtc_color_mgmt: Check if DRM color props are programmable by DC. > * @crtc: amdgpu_dm crtc state > + * @check_only: only check color state without update dc stream > * > - * With no plane level color management properties we're free to use any > - * of the HW blocks as long as the CRTC CTM always comes before the > - * CRTC RGM and after the CRTC DGM. > - * > - * - The CRTC RGM block will be placed in the RGM LUT block if it is non-linear. > - * - The CRTC DGM block will be placed in the DGM LUT block if it is non-linear. > - * - The CRTC CTM will be placed in the gamut remap block if it is non-linear. > + * This function just verifies CRTC LUT sizes, if there is enough space for > + * output transfer function and if its parameters can be calculated by AMD > + * color module. It also adjusts some settings for programming CRTC degamma at > + * plane stage, using plane DGM block. > * > * The RGM block is typically more fully featured and accurate across > * all ASICs - DCE can't support a custom non-linear CRTC DGM. > * > * For supporting both plane level color management and CRTC level color > - * management at once we have to either restrict the usage of CRTC properties > - * or blend adjustments together. > + * management at once we have to either restrict the usage of some CRTC > + * properties or blend adjustments together. > * > * Returns: > - * 0 on success. Error code if setup fails. > + * 0 on success. Error code if validation fails. > */ > -int amdgpu_dm_update_crtc_color_mgmt(struct dm_crtc_state *crtc) > + > +int amdgpu_dm_check_crtc_color_mgmt(struct dm_crtc_state *crtc, > + bool check_only) > { > struct dc_stream_state *stream = crtc->stream; > struct amdgpu_device *adev = drm_to_adev(crtc->base.state->dev); > bool has_rom = adev->asic_type <= CHIP_RAVEN; > - struct drm_color_ctm *ctm = NULL; > + struct dc_transfer_func *out_tf; > const struct drm_color_lut *degamma_lut, *regamma_lut; > uint32_t degamma_size, regamma_size; > bool has_regamma, has_degamma; > @@ -940,6 +939,14 @@ int amdgpu_dm_update_crtc_color_mgmt(struct dm_crtc_state *crtc) > crtc->cm_has_degamma = false; > crtc->cm_is_degamma_srgb = false; > > + if (check_only) { > + out_tf = kvzalloc(sizeof(*out_tf), GFP_KERNEL); > + if (!out_tf) > + return -ENOMEM; > + } else { > + out_tf = &stream->out_transfer_func; > + } > + > /* Setup regamma and degamma. */ > if (is_legacy) { > /* > @@ -954,8 +961,8 @@ int amdgpu_dm_update_crtc_color_mgmt(struct dm_crtc_state *crtc) > * inverse color ramp in legacy userspace. > */ > crtc->cm_is_degamma_srgb = true; > - stream->out_transfer_func.type = TF_TYPE_DISTRIBUTED_POINTS; > - stream->out_transfer_func.tf = TRANSFER_FUNCTION_SRGB; > + out_tf->type = TF_TYPE_DISTRIBUTED_POINTS; > + out_tf->tf = TRANSFER_FUNCTION_SRGB; > /* > * Note: although we pass has_rom as parameter here, we never > * actually use ROM because the color module only takes the ROM > @@ -963,16 +970,12 @@ int amdgpu_dm_update_crtc_color_mgmt(struct dm_crtc_state *crtc) > * > * See more in mod_color_calculate_regamma_params() > */ > - r = __set_legacy_tf(&stream->out_transfer_func, regamma_lut, > + r = __set_legacy_tf(out_tf, regamma_lut, > regamma_size, has_rom); > - if (r) > - return r; > } else { > regamma_size = has_regamma ? regamma_size : 0; > - r = amdgpu_dm_set_atomic_regamma(stream, regamma_lut, > + r = amdgpu_dm_set_atomic_regamma(out_tf, regamma_lut, > regamma_size, has_rom, tf); > - if (r) > - return r; > } > > /* > @@ -981,6 +984,43 @@ int amdgpu_dm_update_crtc_color_mgmt(struct dm_crtc_state *crtc) > * have to place the CTM in the OCSC in that case. > */ > crtc->cm_has_degamma = has_degamma; > + if (check_only) > + kvfree(out_tf); > + > + return r; > +} > + > +/** > + * amdgpu_dm_update_crtc_color_mgmt: Maps DRM color management to DC stream. > + * @crtc: amdgpu_dm crtc state > + * > + * With no plane level color management properties we're free to use any > + * of the HW blocks as long as the CRTC CTM always comes before the > + * CRTC RGM and after the CRTC DGM. > + * > + * - The CRTC RGM block will be placed in the RGM LUT block if it is non-linear. > + * - The CRTC DGM block will be placed in the DGM LUT block if it is non-linear. > + * - The CRTC CTM will be placed in the gamut remap block if it is non-linear. > + * > + * The RGM block is typically more fully featured and accurate across > + * all ASICs - DCE can't support a custom non-linear CRTC DGM. > + * > + * For supporting both plane level color management and CRTC level color > + * management at once we have to either restrict the usage of CRTC properties > + * or blend adjustments together. > + * > + * Returns: > + * 0 on success. Error code if setup fails. > + */ > +int amdgpu_dm_update_crtc_color_mgmt(struct dm_crtc_state *crtc) > +{ > + struct dc_stream_state *stream = crtc->stream; > + struct drm_color_ctm *ctm = NULL; > + int ret; > + > + ret = amdgpu_dm_check_crtc_color_mgmt(crtc, false); > + if (ret) > + return ret; > > /* Setup CRTC CTM. */ > if (crtc->base.ctm) {

6 days, 4 hours

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[PATCH] spi: Try to get ACPI GPIO IRQ earlier

by Hans de Goede

Since commit d24cfee7f63d ("spi: Fix acpi deferred irq probe"), the acpi_dev_gpio_irq_get() call gets delayed till spi_probe() is called on the SPI device. If there is no driver for the SPI device then the move to spi_probe() results in acpi_dev_gpio_irq_get() never getting called. This may cause problems by leaving the GPIO pin floating because this call is responsible for setting up the GPIO pin direction and/or bias according to the values from the ACPI tables. Re-add the removed acpi_dev_gpio_irq_get() in acpi_register_spi_device() to ensure the GPIO pin is always correctly setup, while keeping the acpi_dev_gpio_irq_get() call added to spi_probe() to deal with -EPROBE_DEFER returns caused by the GPIO controller not having a driver yet. Link: https://bbs.archlinux.org/viewtopic.php?id=302348 Fixes: d24cfee7f63d ("spi: Fix acpi deferred irq probe") Cc: stable(a)vger.kernel.org Signed-off-by: Hans de Goede <hansg(a)kernel.org> --- drivers/spi/spi.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 2e0647a06890..8588e8562220 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -2851,6 +2851,16 @@ static acpi_status acpi_register_spi_device(struct spi_controller *ctlr, acpi_set_modalias(adev, acpi_device_hid(adev), spi->modalias, sizeof(spi->modalias)); + /* + * This gets re-tried in spi_probe() for -EPROBE_DEFER handling in case + * the GPIO controller does not have a driver yet. This needs to be done + * here too, because this call sets the GPIO direction and/or bias. + * Setting these needs to be done even if there is no driver, in which + * case spi_probe() will never get called. + */ + if (spi->irq < 0) + spi->irq = acpi_dev_gpio_irq_get(adev, 0); + acpi_device_set_enumerated(adev); adev->power.flags.ignore_parent = true; -- 2.51.1

6 days, 4 hours

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[PATCH v10 2/5] NFSD: Make FILE_SYNC WRITEs comply with spec

by Chuck Lever

From: Chuck Lever <chuck.lever(a)oracle.com> Mike noted that when NFSD responds to an NFS_FILE_SYNC WRITE, it does not also persist file time stamps. To wit, Section 18.32.3 of RFC 8881 mandates: > The client specifies with the stable parameter the method of how > the data is to be processed by the server. If stable is > FILE_SYNC4, the server MUST commit the data written plus all file > system metadata to stable storage before returning results. This > corresponds to the NFSv2 protocol semantics. Any other behavior > constitutes a protocol violation. If stable is DATA_SYNC4, then > the server MUST commit all of the data to stable storage and > enough of the metadata to retrieve the data before returning. Commit 3f3503adb332 ("NFSD: Use vfs_iocb_iter_write()") replaced: - flags |= RWF_SYNC; with: + kiocb.ki_flags |= IOCB_DSYNC; which appears to be correct given: if (flags & RWF_SYNC) kiocb_flags |= IOCB_DSYNC; in kiocb_set_rw_flags(). However the author of that commit did not appreciate that the previous line in kiocb_set_rw_flags() results in IOCB_SYNC also being set: kiocb_flags |= (__force int) (flags & RWF_SUPPORTED); RWF_SUPPORTED contains RWF_SYNC, and RWF_SYNC is the same bit as IOCB_SYNC. Reviewers at the time did not catch the omission. Reported-by: Mike Snitzer <snitzer(a)kernel.org> Closes: https://lore.kernel.org/linux-nfs/20251018005431.3403-1-cel@kernel.org/T/#t Reviewed-by: Jeff Layton <jlayton(a)kernel.org> Fixes: 3f3503adb332 ("NFSD: Use vfs_iocb_iter_write()") Cc: stable(a)vger.kernel.org Signed-off-by: Chuck Lever <chuck.lever(a)oracle.com> --- fs/nfsd/vfs.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index f537a7b4ee01..5333d49910d9 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -1314,8 +1314,18 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, stable = NFS_UNSTABLE; init_sync_kiocb(&kiocb, file); kiocb.ki_pos = offset; - if (stable && !fhp->fh_use_wgather) - kiocb.ki_flags |= IOCB_DSYNC; + if (likely(!fhp->fh_use_wgather)) { + switch (stable) { + case NFS_FILE_SYNC: + /* persist data and timestamps */ + kiocb.ki_flags |= IOCB_DSYNC | IOCB_SYNC; + break; + case NFS_DATA_SYNC: + /* persist data only */ + kiocb.ki_flags |= IOCB_DSYNC; + break; + } + } nvecs = xdr_buf_to_bvec(rqstp->rq_bvec, rqstp->rq_maxpages, payload); iov_iter_bvec(&iter, ITER_SOURCE, rqstp->rq_bvec, nvecs, *cnt); -- 2.51.0

6 days, 4 hours

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[PATCH v2] leds: leds-lp50xx: LP5009 supports 3 modules for a total of 9 LEDs

by Christian Hitz

From: Christian Hitz <christian.hitz(a)bbv.ch> LP5009 supports 9 LED outputs that are grouped into 3 modules. Fixes: 242b81170fb8 ("leds: lp50xx: Add the LP50XX family of the RGB LED driver") Cc: stable(a)vger.kernel.org Signed-off-by: Christian Hitz <christian.hitz(a)bbv.ch> --- Changes in v2: - Improve log message --- drivers/leds/leds-lp50xx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/leds/leds-lp50xx.c b/drivers/leds/leds-lp50xx.c index 94f8ef6b482c..05229e2f2e7e 100644 --- a/drivers/leds/leds-lp50xx.c +++ b/drivers/leds/leds-lp50xx.c @@ -54,7 +54,7 @@ /* There are 3 LED outputs per bank */ #define LP50XX_LEDS_PER_MODULE 3 -#define LP5009_MAX_LED_MODULES 2 +#define LP5009_MAX_LED_MODULES 3 #define LP5012_MAX_LED_MODULES 4 #define LP5018_MAX_LED_MODULES 6 #define LP5024_MAX_LED_MODULES 8 -- 2.51.1

6 days, 4 hours

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[PATCH] LoongArch: KVM: Fix max supported vCPUs set with eiointc

by Bibo Mao

VM fails to boot with 256 vCPUs, the detailed command is qemu-system-loongarch64 -smp 256 and there is error reported as follows: KVM_LOONGARCH_EXTIOI_INIT_NUM_CPU failed: Invalid argument There is typo issue in function kvm_eiointc_ctrl_access() when set max supported vCPUs. Cc: stable(a)vger.kernel.org Fixes: 47256c4c8b1b ("LoongArch: KVM: Avoid copy_*_user() with lock hold in kvm_eiointc_ctrl_access()") Signed-off-by: Bibo Mao <maobibo(a)loongson.cn> --- arch/loongarch/kvm/intc/eiointc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/loongarch/kvm/intc/eiointc.c b/arch/loongarch/kvm/intc/eiointc.c index c32333695381..a1cc116b4dac 100644 --- a/arch/loongarch/kvm/intc/eiointc.c +++ b/arch/loongarch/kvm/intc/eiointc.c @@ -439,7 +439,7 @@ static int kvm_eiointc_ctrl_access(struct kvm_device *dev, spin_lock_irqsave(&s->lock, flags); switch (type) { case KVM_DEV_LOONGARCH_EXTIOI_CTRL_INIT_NUM_CPU: - if (val >= EIOINTC_ROUTE_MAX_VCPUS) + if (val > EIOINTC_ROUTE_MAX_VCPUS) ret = -EINVAL; else s->num_cpu = val; base-commit: 3a8660878839faadb4f1a6dd72c3179c1df56787 -- 2.39.3

6 days, 5 hours

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💬📝 Need Accurate WhatsApp Chat Translation Services? ✅

by Communication Dubai

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[PATCH v2] ALSA: wavefront: Fix integer overflow in sample size validation

by Junrui Luo

The wavefront_send_sample() function has an integer overflow issue when validating sample size. The header->size field is u32 but gets cast to int for comparison with dev->freemem Fix by using unsigned comparison to avoid integer overflow. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Cc: stable(a)vger.kernel.org Signed-off-by: Junrui Luo <moonafterrain(a)outlook.com> --- Changes in v2: - Check for negative freemem before size comparison - Link to v1: https://lore.kernel.org/all/SYBPR01MB7881FA5CEECF0CCEABDD6CC4AFC4A@SYBPR01M… --- sound/isa/wavefront/wavefront_synth.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sound/isa/wavefront/wavefront_synth.c b/sound/isa/wavefront/wavefront_synth.c index cd5c177943aa..0d78533e1cfd 100644 --- a/sound/isa/wavefront/wavefront_synth.c +++ b/sound/isa/wavefront/wavefront_synth.c @@ -950,9 +950,9 @@ wavefront_send_sample (snd_wavefront_t *dev, if (header->size) { dev->freemem = wavefront_freemem (dev); - if (dev->freemem < (int)header->size) { + if (dev->freemem < 0 || dev->freemem < header->size) { dev_err(dev->card->dev, - "insufficient memory to load %d byte sample.\n", + "insufficient memory to load %u byte sample.\n", header->size); return -ENOMEM; } -- 2.51.1.dirty

6 days, 7 hours

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