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[Linux-stable-mirror] [PATCH] drm/atomic: Fix memleak on ERESTARTSYS during non-blocking commits

by Maarten Lankhorst

From: "Leo (Sunpeng) Li" <sunpeng.li(a)amd.com> During a non-blocking commit, it is possible to return before the commit_tail work is queued (-ERESTARTSYS, for example). Since a reference on the crtc commit object is obtained for the pending vblank event when preparing the commit, the above situation will leave us with an extra reference. Therefore, if the commit_tail worker has not consumed the event at the end of a commit, release it's reference. Changes since v1: - Also check for state->event->base.completion being set, to handle the case where stall_checks() fails in setup_crtc_commit(). Changes since v2: - Add a flag to drm_crtc_commit, to prevent dereferencing a freed event. i915 may unreference the state in a worker. Fixes: 24835e442f28 ("drm: reference count event->completion") Cc: <stable(a)vger.kernel.org> # v4.11+ Signed-off-by: Leo (Sunpeng) Li <sunpeng.li(a)amd.com> Acked-by: Harry Wentland <harry.wentland(a)amd.com> #v1 Signed-off-by: Maarten Lankhorst <maarten.lankhorst(a)linux.intel.com> --- drivers/gpu/drm/drm_atomic_helper.c | 15 +++++++++++++++ include/drm/drm_atomic.h | 9 +++++++++ 2 files changed, 24 insertions(+) diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index ab4032167094..ae3cbfe9e01c 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -1878,6 +1878,8 @@ int drm_atomic_helper_setup_commit(struct drm_atomic_state *state, new_crtc_state->event->base.completion = &commit->flip_done; new_crtc_state->event->base.completion_release = release_crtc_commit; drm_crtc_commit_get(commit); + + commit->abort_completion = true; } for_each_oldnew_connector_in_state(state, conn, old_conn_state, new_conn_state, i) { @@ -3421,8 +3423,21 @@ EXPORT_SYMBOL(drm_atomic_helper_crtc_duplicate_state); void __drm_atomic_helper_crtc_destroy_state(struct drm_crtc_state *state) { if (state->commit) { + /* + * In the event that a non-blocking commit returns + * -ERESTARTSYS before the commit_tail work is queued, we will + * have an extra reference to the commit object. Release it, if + * the event has not been consumed by the worker. + * + * state->event may be freed, so we can't directly look at + * state->event->base.completion. + */ + if (state->event && state->commit->abort_completion) + drm_crtc_commit_put(state->commit); + kfree(state->commit->event); state->commit->event = NULL; + drm_crtc_commit_put(state->commit); } diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h index 1c27526c499e..cf13842a6dbd 100644 --- a/include/drm/drm_atomic.h +++ b/include/drm/drm_atomic.h @@ -134,6 +134,15 @@ struct drm_crtc_commit { * &drm_pending_vblank_event pointer to clean up private events. */ struct drm_pending_vblank_event *event; + + /** + * @abort_completion: + * + * A flag that's set after drm_atomic_helper_setup_commit takes a second + * reference for the completion of $drm_crtc_state.event. It's used by + * the free code to remove the second reference if commit fails. + */ + bool abort_completion; }; struct __drm_planes_state { -- 2.15.1

7 years, 3 months

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[Linux-stable-mirror] Patch "xen-netfront: remove warning when unloading module" has been added to the 3.18-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled xen-netfront: remove warning when unloading module to the 3.18-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: xen-netfront-remove-warning-when-unloading-module.patch and it can be found in the queue-3.18 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. >From foo@baz Thu Feb 1 14:48:12 CET 2018 From: Eduardo Otubo <otubo(a)redhat.com> Date: Thu, 23 Nov 2017 15:18:35 +0100 Subject: xen-netfront: remove warning when unloading module From: Eduardo Otubo <otubo(a)redhat.com> [ Upstream commit 5b5971df3bc2775107ddad164018a8a8db633b81 ] v2: * Replace busy wait with wait_event()/wake_up_all() * Cannot garantee that at the time xennet_remove is called, the xen_netback state will not be XenbusStateClosed, so added a condition for that * There's a small chance for the xen_netback state is XenbusStateUnknown by the time the xen_netfront switches to Closed, so added a condition for that. When unloading module xen_netfront from guest, dmesg would output warning messages like below: [ 105.236836] xen:grant_table: WARNING: g.e. 0x903 still in use! [ 105.236839] deferring g.e. 0x903 (pfn 0x35805) This problem relies on netfront and netback being out of sync. By the time netfront revokes the g.e.'s netback didn't have enough time to free all of them, hence displaying the warnings on dmesg. The trick here is to make netfront to wait until netback frees all the g.e.'s and only then continue to cleanup for the module removal, and this is done by manipulating both device states. Signed-off-by: Eduardo Otubo <otubo(a)redhat.com> Acked-by: Juergen Gross <jgross(a)suse.com> Signed-off-by: David S. Miller <davem(a)davemloft.net> Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/net/xen-netfront.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -85,6 +85,8 @@ struct netfront_cb { /* IRQ name is queue name with "-tx" or "-rx" appended */ #define IRQ_NAME_SIZE (QUEUE_NAME_SIZE + 3) +static DECLARE_WAIT_QUEUE_HEAD(module_unload_q); + struct netfront_stats { u64 rx_packets; u64 tx_packets; @@ -2080,10 +2082,12 @@ static void netback_changed(struct xenbu break; case XenbusStateClosed: + wake_up_all(&module_unload_q); if (dev->state == XenbusStateClosed) break; /* Missed the backend's CLOSING state -- fallthrough */ case XenbusStateClosing: + wake_up_all(&module_unload_q); xenbus_frontend_closed(dev); break; } @@ -2305,6 +2309,20 @@ static int xennet_remove(struct xenbus_d dev_dbg(&dev->dev, "%s\n", dev->nodename); + if (xenbus_read_driver_state(dev->otherend) != XenbusStateClosed) { + xenbus_switch_state(dev, XenbusStateClosing); + wait_event(module_unload_q, + xenbus_read_driver_state(dev->otherend) == + XenbusStateClosing); + + xenbus_switch_state(dev, XenbusStateClosed); + wait_event(module_unload_q, + xenbus_read_driver_state(dev->otherend) == + XenbusStateClosed || + xenbus_read_driver_state(dev->otherend) == + XenbusStateUnknown); + } + xennet_disconnect_backend(info); xennet_sysfs_delif(info->netdev); Patches currently in stable-queue which might be from otubo(a)redhat.com are queue-3.18/xen-netfront-remove-warning-when-unloading-module.patch

7 years, 3 months

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[Linux-stable-mirror] Patch "usb: gadget: don't dereference g until after it has been null checked" has been added to the 3.18-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled usb: gadget: don't dereference g until after it has been null checked to the 3.18-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: usb-gadget-don-t-dereference-g-until-after-it-has-been-null-checked.patch and it can be found in the queue-3.18 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. >From foo@baz Thu Feb 1 14:48:12 CET 2018 From: Colin Ian King <colin.king(a)canonical.com> Date: Tue, 14 Nov 2017 16:18:28 +0000 Subject: usb: gadget: don't dereference g until after it has been null checked From: Colin Ian King <colin.king(a)canonical.com> [ Upstream commit b2fc059fa549fe6881d4c1f8d698b0f50bcd16ec ] Avoid dereferencing pointer g until after g has been sanity null checked; move the assignment of cdev much later when it is required into a more local scope. Detected by CoverityScan, CID#1222135 ("Dereference before null check") Fixes: b785ea7ce662 ("usb: gadget: composite: fix ep->maxburst initialization") Signed-off-by: Colin Ian King <colin.king(a)canonical.com> Signed-off-by: Felipe Balbi <felipe.balbi(a)linux.intel.com> Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/usb/gadget/composite.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -103,7 +103,6 @@ int config_ep_by_speed(struct usb_gadget struct usb_function *f, struct usb_ep *_ep) { - struct usb_composite_dev *cdev = get_gadget_data(g); struct usb_endpoint_descriptor *chosen_desc = NULL; struct usb_descriptor_header **speed_desc = NULL; @@ -170,8 +169,12 @@ ep_found: _ep->maxburst = comp_desc->bMaxBurst + 1; break; default: - if (comp_desc->bMaxBurst != 0) + if (comp_desc->bMaxBurst != 0) { + struct usb_composite_dev *cdev; + + cdev = get_gadget_data(g); ERROR(cdev, "ep0 bMaxBurst must be 0\n"); + } _ep->maxburst = 1; break; } Patches currently in stable-queue which might be from colin.king(a)canonical.com are queue-3.18/usb-gadget-don-t-dereference-g-until-after-it-has-been-null-checked.patch

7 years, 3 months

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[Linux-stable-mirror] Patch "staging: rtl8188eu: Fix incorrect response to SIOCGIWESSID" has been added to the 3.18-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled staging: rtl8188eu: Fix incorrect response to SIOCGIWESSID to the 3.18-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: staging-rtl8188eu-fix-incorrect-response-to-siocgiwessid.patch and it can be found in the queue-3.18 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. >From foo@baz Thu Feb 1 14:48:12 CET 2018 From: Larry Finger <Larry.Finger(a)lwfinger.net> Date: Sat, 25 Nov 2017 13:32:38 -0600 Subject: staging: rtl8188eu: Fix incorrect response to SIOCGIWESSID From: Larry Finger <Larry.Finger(a)lwfinger.net> [ Upstream commit b77992d2df9e47144354d1b25328b180afa33442 ] When not associated with an AP, wifi device drivers should respond to the SIOCGIWESSID ioctl with a zero-length string for the SSID, which is the behavior expected by dhcpcd. Currently, this driver returns an error code (-1) from the ioctl call, which causes dhcpcd to assume that the device is not a wireless interface and therefore it fails to work correctly with it thereafter. This problem was reported and tested at https://github.com/lwfinger/rtl8188eu/issues/234. Signed-off-by: Larry Finger <Larry.Finger(a)lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/staging/rtl8188eu/os_dep/ioctl_linux.c | 14 ++++---------- 1 file changed, 4 insertions(+), 10 deletions(-) --- a/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c +++ b/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c @@ -1396,19 +1396,13 @@ static int rtw_wx_get_essid(struct net_d if ((check_fwstate(pmlmepriv, _FW_LINKED)) || (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE))) { len = pcur_bss->Ssid.SsidLength; - - wrqu->essid.length = len; - memcpy(extra, pcur_bss->Ssid.Ssid, len); - - wrqu->essid.flags = 1; } else { - ret = -1; - goto exit; + len = 0; + *extra = 0; } - -exit: - + wrqu->essid.length = len; + wrqu->essid.flags = 1; return ret; } Patches currently in stable-queue which might be from Larry.Finger(a)lwfinger.net are queue-3.18/staging-rtl8188eu-fix-incorrect-response-to-siocgiwessid.patch

7 years, 3 months

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[Linux-stable-mirror] Patch "scsi: ufs: ufshcd: fix potential NULL pointer dereference in ufshcd_config_vreg" has been added to the 3.18-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled scsi: ufs: ufshcd: fix potential NULL pointer dereference in ufshcd_config_vreg to the 3.18-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: scsi-ufs-ufshcd-fix-potential-null-pointer-dereference-in-ufshcd_config_vreg.patch and it can be found in the queue-3.18 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. >From foo@baz Thu Feb 1 14:48:12 CET 2018 From: "Gustavo A. R. Silva" <garsilva(a)embeddedor.com> Date: Mon, 20 Nov 2017 08:12:29 -0600 Subject: scsi: ufs: ufshcd: fix potential NULL pointer dereference in ufshcd_config_vreg From: "Gustavo A. R. Silva" <garsilva(a)embeddedor.com> [ Upstream commit 727535903bea924c4f73abb202c4b3e85fff0ca4 ] _vreg_ is being dereferenced before it is null checked, hence there is a potential null pointer dereference. Fix this by moving the pointer dereference after _vreg_ has been null checked. This issue was detected with the help of Coccinelle. Fixes: aa4976130934 ("ufs: Add regulator enable support") Signed-off-by: Gustavo A. R. Silva <garsilva(a)embeddedor.com> Reviewed-by: Subhash Jadavani <subhashj(a)codeaurora.org> Signed-off-by: Martin K. Petersen <martin.petersen(a)oracle.com> Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/scsi/ufs/ufshcd.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -4287,12 +4287,15 @@ static int ufshcd_config_vreg(struct dev struct ufs_vreg *vreg, bool on) { int ret = 0; - struct regulator *reg = vreg->reg; - const char *name = vreg->name; + struct regulator *reg; + const char *name; int min_uV, uA_load; BUG_ON(!vreg); + reg = vreg->reg; + name = vreg->name; + if (regulator_count_voltages(reg) > 0) { min_uV = on ? vreg->min_uV : 0; ret = regulator_set_voltage(reg, min_uV, vreg->max_uV); Patches currently in stable-queue which might be from garsilva(a)embeddedor.com are queue-3.18/scsi-ufs-ufshcd-fix-potential-null-pointer-dereference-in-ufshcd_config_vreg.patch

7 years, 3 months

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[Linux-stable-mirror] Patch "quota: Check for register_shrinker() failure." has been added to the 3.18-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled quota: Check for register_shrinker() failure. to the 3.18-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: quota-check-for-register_shrinker-failure.patch and it can be found in the queue-3.18 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. >From foo@baz Thu Feb 1 14:48:12 CET 2018 From: Tetsuo Handa <penguin-kernel(a)I-love.SAKURA.ne.jp> Date: Wed, 29 Nov 2017 22:34:50 +0900 Subject: quota: Check for register_shrinker() failure. From: Tetsuo Handa <penguin-kernel(a)I-love.SAKURA.ne.jp> [ Upstream commit 88bc0ede8d35edc969350852894dc864a2dc1859 ] register_shrinker() might return -ENOMEM error since Linux 3.12. Call panic() as with other failure checks in this function if register_shrinker() failed. Fixes: 1d3d4437eae1 ("vmscan: per-node deferred work") Signed-off-by: Tetsuo Handa <penguin-kernel(a)I-love.SAKURA.ne.jp> Cc: Jan Kara <jack(a)suse.com> Cc: Michal Hocko <mhocko(a)suse.com> Reviewed-by: Michal Hocko <mhocko(a)suse.com> Signed-off-by: Jan Kara <jack(a)suse.cz> Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- fs/quota/dquot.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/fs/quota/dquot.c +++ b/fs/quota/dquot.c @@ -2730,7 +2730,8 @@ static int __init dquot_init(void) printk("Dquot-cache hash table entries: %ld (order %ld, %ld bytes)\n", nr_hash, order, (PAGE_SIZE << order)); - register_shrinker(&dqcache_shrinker); + if (register_shrinker(&dqcache_shrinker)) + panic("Cannot register dquot shrinker"); return 0; } Patches currently in stable-queue which might be from penguin-kernel(a)I-love.SAKURA.ne.jp are queue-3.18/quota-check-for-register_shrinker-failure.patch

7 years, 3 months

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[Linux-stable-mirror] Patch "nfsd: CLOSE SHOULD return the invalid special stateid for NFSv4.x (x>0)" has been added to the 3.18-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled nfsd: CLOSE SHOULD return the invalid special stateid for NFSv4.x (x>0) to the 3.18-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: nfsd-close-should-return-the-invalid-special-stateid-for-nfsv4.x-x-0.patch and it can be found in the queue-3.18 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. >From foo@baz Thu Feb 1 14:48:12 CET 2018 From: Trond Myklebust <trond.myklebust(a)primarydata.com> Date: Fri, 3 Nov 2017 08:00:12 -0400 Subject: nfsd: CLOSE SHOULD return the invalid special stateid for NFSv4.x (x>0) From: Trond Myklebust <trond.myklebust(a)primarydata.com> [ Upstream commit fb500a7cfee7f2f447d2bbf30cb59629feab6ac1 ] Signed-off-by: Trond Myklebust <trond.myklebust(a)primarydata.com> Signed-off-by: J. Bruce Fields <bfields(a)redhat.com> Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- fs/nfsd/nfs4state.c | 8 ++++++++ 1 file changed, 8 insertions(+) --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -62,6 +62,9 @@ static const stateid_t zero_stateid = { static const stateid_t currentstateid = { .si_generation = 1, }; +static const stateid_t close_stateid = { + .si_generation = 0xffffffffU, +}; static u64 current_sessionid = 1; @@ -4901,6 +4904,11 @@ nfsd4_close(struct svc_rqst *rqstp, stru nfsd4_close_open_stateid(stp); + /* See RFC5661 sectionm 18.2.4 */ + if (stp->st_stid.sc_client->cl_minorversion) + memcpy(&close->cl_stateid, &close_stateid, + sizeof(close->cl_stateid)); + /* put reference from nfs4_preprocess_seqid_op */ nfs4_put_stid(&stp->st_stid); out: Patches currently in stable-queue which might be from trond.myklebust(a)primarydata.com are queue-3.18/nfsd-close-should-return-the-invalid-special-stateid-for-nfsv4.x-x-0.patch

7 years, 3 months

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[Linux-stable-mirror] Patch "nfsd: check for use of the closed special stateid" has been added to the 3.18-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled nfsd: check for use of the closed special stateid to the 3.18-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: nfsd-check-for-use-of-the-closed-special-stateid.patch and it can be found in the queue-3.18 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. >From foo@baz Thu Feb 1 14:48:12 CET 2018 From: Andrew Elble <aweits(a)rit.edu> Date: Thu, 9 Nov 2017 13:41:10 -0500 Subject: nfsd: check for use of the closed special stateid From: Andrew Elble <aweits(a)rit.edu> [ Upstream commit ae254dac721d44c0bfebe2795df87459e2e88219 ] Prevent the use of the closed (invalid) special stateid by clients. Signed-off-by: Andrew Elble <aweits(a)rit.edu> Signed-off-by: J. Bruce Fields <bfields(a)redhat.com> Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- fs/nfsd/nfs4state.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -71,6 +71,7 @@ static u64 current_sessionid = 1; #define ZERO_STATEID(stateid) (!memcmp((stateid), &zero_stateid, sizeof(stateid_t))) #define ONE_STATEID(stateid) (!memcmp((stateid), &one_stateid, sizeof(stateid_t))) #define CURRENT_STATEID(stateid) (!memcmp((stateid), &currentstateid, sizeof(stateid_t))) +#define CLOSE_STATEID(stateid) (!memcmp((stateid), &close_stateid, sizeof(stateid_t))) /* forward declarations */ static bool check_for_locks(struct nfs4_file *fp, struct nfs4_lockowner *lowner); @@ -4414,7 +4415,8 @@ static __be32 nfsd4_validate_stateid(str struct nfs4_stid *s; __be32 status = nfserr_bad_stateid; - if (ZERO_STATEID(stateid) || ONE_STATEID(stateid)) + if (ZERO_STATEID(stateid) || ONE_STATEID(stateid) || + CLOSE_STATEID(stateid)) return status; /* Client debugging aid. */ if (!same_clid(&stateid->si_opaque.so_clid, &cl->cl_clientid)) { @@ -4472,7 +4474,8 @@ nfsd4_lookup_stateid(struct nfsd4_compou else if (typemask & NFS4_DELEG_STID) typemask |= NFS4_REVOKED_DELEG_STID; - if (ZERO_STATEID(stateid) || ONE_STATEID(stateid)) + if (ZERO_STATEID(stateid) || ONE_STATEID(stateid) || + CLOSE_STATEID(stateid)) return nfserr_bad_stateid; status = lookup_clientid(&stateid->si_opaque.so_clid, cstate, nn); if (status == nfserr_stale_clientid) { Patches currently in stable-queue which might be from aweits(a)rit.edu are queue-3.18/nfsd-check-for-use-of-the-closed-special-stateid.patch

7 years, 3 months

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[Linux-stable-mirror] Patch "net: ethernet: xilinx: Mark XILINX_LL_TEMAC broken on 64-bit" has been added to the 3.18-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled net: ethernet: xilinx: Mark XILINX_LL_TEMAC broken on 64-bit to the 3.18-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: net-ethernet-xilinx-mark-xilinx_ll_temac-broken-on-64-bit.patch and it can be found in the queue-3.18 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. >From foo@baz Thu Feb 1 14:48:12 CET 2018 From: Geert Uytterhoeven <geert+renesas(a)glider.be> Date: Wed, 29 Nov 2017 11:01:09 +0100 Subject: net: ethernet: xilinx: Mark XILINX_LL_TEMAC broken on 64-bit From: Geert Uytterhoeven <geert+renesas(a)glider.be> [ Upstream commit 15bfe05c8d6386f1a90e9340d15336e85e32aad6 ] On 64-bit (e.g. powerpc64/allmodconfig): drivers/net/ethernet/xilinx/ll_temac_main.c: In function 'temac_start_xmit_done': drivers/net/ethernet/xilinx/ll_temac_main.c:633:22: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] dev_kfree_skb_irq((struct sk_buff *)cur_p->app4); ^ cdmac_bd.app4 is u32, so it is too small to hold a kernel pointer. Note that several other fields in struct cdmac_bd are also too small to hold physical addresses on 64-bit platforms. Signed-off-by: Geert Uytterhoeven <geert+renesas(a)glider.be> Signed-off-by: David S. Miller <davem(a)davemloft.net> Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/net/ethernet/xilinx/Kconfig | 1 + 1 file changed, 1 insertion(+) --- a/drivers/net/ethernet/xilinx/Kconfig +++ b/drivers/net/ethernet/xilinx/Kconfig @@ -36,6 +36,7 @@ config XILINX_AXI_EMAC config XILINX_LL_TEMAC tristate "Xilinx LL TEMAC (LocalLink Tri-mode Ethernet MAC) driver" depends on (PPC || MICROBLAZE) + depends on !64BIT || BROKEN select PHYLIB ---help--- This driver supports the Xilinx 10/100/1000 LocalLink TEMAC Patches currently in stable-queue which might be from geert+renesas(a)glider.be are queue-3.18/net-ethernet-xilinx-mark-xilinx_ll_temac-broken-on-64-bit.patch

7 years, 3 months

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[Linux-stable-mirror] Patch "media: usbtv: add a new usbid" has been added to the 3.18-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled media: usbtv: add a new usbid to the 3.18-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: media-usbtv-add-a-new-usbid.patch and it can be found in the queue-3.18 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. >From foo@baz Thu Feb 1 14:48:12 CET 2018 From: Icenowy Zheng <icenowy(a)aosc.io> Date: Sun, 16 Apr 2017 02:51:16 -0400 Subject: media: usbtv: add a new usbid From: Icenowy Zheng <icenowy(a)aosc.io> [ Upstream commit 04226916d2360f56d57ad00bc48d2d1854d1e0b0 ] A new usbid of UTV007 is found in a newly bought device. The usbid is 1f71:3301. The ID on the chip is: UTV007 A89029.1 1520L18K1 Both video and audio is tested with the modified usbtv driver. Signed-off-by: Icenowy Zheng <icenowy(a)aosc.io> Acked-by: Lubomir Rintel <lkundrak(a)v3.sk> Signed-off-by: Mauro Carvalho Chehab <mchehab(a)s-opensource.com> Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/media/usb/usbtv/usbtv-core.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/media/usb/usbtv/usbtv-core.c +++ b/drivers/media/usb/usbtv/usbtv-core.c @@ -127,6 +127,7 @@ static void usbtv_disconnect(struct usb_ static struct usb_device_id usbtv_id_table[] = { { USB_DEVICE(0x1b71, 0x3002) }, + { USB_DEVICE(0x1f71, 0x3301) }, {} }; MODULE_DEVICE_TABLE(usb, usbtv_id_table); Patches currently in stable-queue which might be from icenowy(a)aosc.io are queue-3.18/media-usbtv-add-a-new-usbid.patch

7 years, 3 months

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