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| author | Marek Szyprowski <m.szyprowski@samsung.com> | 2011-04-14 12:17:44 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-04-19 21:07:34 +0200 |
| commit | 13b140953ab4fd86e2065adfef892fe833986ffa (patch) | |
| tree | 1474b2b818b6d6fe244075c712f6ce218b6490b8 /drivers | |
| parent | [media] media: vb2: fix incorrect v4l2_buffer->flags handling (diff) | |
| download | linux-13b140953ab4fd86e2065adfef892fe833986ffa.tar.xz linux-13b140953ab4fd86e2065adfef892fe833986ffa.zip | |
[media] media: vb2: correct queue initialization order
q->memory entry is initialized to late, so if allocation of memory buffers
fails, the buffers might not be freed correctly (q->memory is tested in
__vb2_free_mem, which can be called before setting q->memory).
Reported-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
CC: Pawel Osciak <pawel@osciak.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/video/videobuf2-core.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/media/video/videobuf2-core.c b/drivers/media/video/videobuf2-core.c index 09d792d2edfd..6ba1461d51ef 100644 --- a/drivers/media/video/videobuf2-core.c +++ b/drivers/media/video/videobuf2-core.c @@ -525,6 +525,7 @@ int vb2_reqbufs(struct vb2_queue *q, struct v4l2_requestbuffers *req) num_buffers = min_t(unsigned int, req->count, VIDEO_MAX_FRAME); memset(plane_sizes, 0, sizeof(plane_sizes)); memset(q->alloc_ctx, 0, sizeof(q->alloc_ctx)); + q->memory = req->memory; /* * Ask the driver how many buffers and planes per buffer it requires. @@ -566,8 +567,6 @@ int vb2_reqbufs(struct vb2_queue *q, struct v4l2_requestbuffers *req) ret = num_buffers; } - q->memory = req->memory; - /* * Return the number of successfully allocated buffers * to the userspace. |