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| author | Laurent Pinchart | 2013-08-09 13:11:25 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab | 2013-08-22 17:01:00 +0200 |
| commit | a517cca6b24fc54ac209e44118ec8962051662e3 (patch) | |
| tree | 166ea9f4abb6512fbf4585d0760239a9d666b664 /drivers/media/v4l2-core/videobuf-dma-contig.c | |
| parent | [media] winbond: wire up rc feedback led (diff) | |
| download | kernel-qcow2-linux-a517cca6b24fc54ac209e44118ec8962051662e3.tar.gz kernel-qcow2-linux-a517cca6b24fc54ac209e44118ec8962051662e3.tar.xz kernel-qcow2-linux-a517cca6b24fc54ac209e44118ec8962051662e3.zip | |
[media] media: vb2: Fix potential deadlock in vb2_prepare_buffer
Commit b037c0fde22b1d3cd0b3c3717d28e54619fc1592 ("media: vb2: fix
potential deadlock in mmap vs. get_userptr handling") fixes an AB-BA
deadlock related to the mmap_sem and driver locks. The same deadlock can
occur in vb2_prepare_buffer(), fix it the same way.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/media/v4l2-core/videobuf-dma-contig.c')
0 files changed, 0 insertions, 0 deletions