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[media] videobuf2: Fix a bug in fileio emulation error handling 

Various error paths in fileio_init where not setting the request-count
to 0 when unrequesting the buffers on error to init the fileio emulation.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans de Goede 2012-05-08 14:47:39 -03:00 committed by Mauro Carvalho Chehab
parent 1dd8728e21
commit a67e172214
1 changed files with 1 additions and 1 deletions
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2
drivers/media/video/videobuf2-core.c
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@ -1857,7 +1857,6 @@ static int __vb2_init_fileio(struct vb2_queue *q, int read)
* (multiplane buffers are not supported).
*/
if (q->bufs[0]->num_planes != 1) {
fileio->req.count = 0;
ret = -EBUSY;
goto err_reqbufs;
}
@ -1904,6 +1903,7 @@ static int __vb2_init_fileio(struct vb2_queue *q, int read)
return ret;
err_reqbufs:
fileio->req.count = 0;
vb2_reqbufs(q, &fileio->req);
err_kfree: