The patch titled drivers/media/video/pvrusb2: add missing mutex_unlock has been added to the -mm tree. Its filename is drivers-media-video-pvrusb2-add-missing-mutex_unlock.patch 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/SubmitChecklist when testing your code *** See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: drivers/media/video/pvrusb2: add missing mutex_unlock From: Julia Lawall <julia@xxxxxxx> Add a mutex_unlock missing on the error path. In the other functions in the same file the locks and unlocks of this mutex appear to be balanced, so it would seem that the same should hold in this case. The semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression E1; @@ * mutex_lock(E1,...); <+... when != E1 if (...) { ... when != E1 * return ...; } ...+> * mutex_unlock(E1,...); // </smpl> Signed-off-by: Julia Lawall <julia@xxxxxxx> Cc: Mike Isely <isely@xxxxxxxxx> Cc: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxx> Cc: Hans Verkuil <hverkuil@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/media/video/pvrusb2/pvrusb2-ioread.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff -puN drivers/media/video/pvrusb2/pvrusb2-ioread.c~drivers-media-video-pvrusb2-add-missing-mutex_unlock drivers/media/video/pvrusb2/pvrusb2-ioread.c --- a/drivers/media/video/pvrusb2/pvrusb2-ioread.c~drivers-media-video-pvrusb2-add-missing-mutex_unlock +++ a/drivers/media/video/pvrusb2/pvrusb2-ioread.c @@ -223,7 +223,10 @@ int pvr2_ioread_setup(struct pvr2_ioread " pvr2_ioread_setup (setup) id=%p",cp); pvr2_stream_kill(sp); ret = pvr2_stream_set_buffer_count(sp,BUFFER_COUNT); - if (ret < 0) return ret; + if (ret < 0) { + mutex_unlock(&cp->mutex); + return ret; + } for (idx = 0; idx < BUFFER_COUNT; idx++) { bp = pvr2_stream_get_buffer(sp,idx); pvr2_buffer_set_buffer(bp, _ Patches currently in -mm which might be from julia@xxxxxxx are origin.patch linux-next.patch fs-btrfs-use-memdup_user.patch fs-btrfs-use-err_cast.patch drivers-media-use-memdup_user.patch drivers-i2c-use-memdup_user.patch drivers-ide-use-memdup_user.patch fs-ubifs-use-err_cast.patch drivers-net-wireless-prism54-use-memdup_user.patch drivers-s390-net-use-memdup_user.patch drivers-scsi-libsas-use-sam_good.patch drivers-scsi-remove-unnecessary-null-test.patch drivers-message-move-dereference-after-null-test.patch drivers-scsi-correct-the-size-argument-to-kmalloc.patch drivers-scsi-use-memdup_user.patch drivers-block-use-memdup_user.patch drivers-staging-dream-camera-use-memdup_user.patch drivers-usb-gadget-use-memdup_user.patch mm-use-memdup_user.patch mm-use-err_cast.patch drivers-media-video-pvrusb2-add-missing-mutex_unlock.patch arch-x86-kernel-add-missing-spin_unlock.patch arch-ia64-kvm-add-missing-spin_unlock.patch drivers-video-omap2-displays-add-missing-mutex_unlock.patch drivers-message-i2o-exec-osmc-add-missing-mutex_unlock.patch drivers-char-n_gsmc-add-missing-spin_unlock_irqrestore.patch fs-ocfs2-dlm-add-missing-spin_unlock.patch drivers-staging-vme-bridges-add-missing-unlocks.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html