commit a5bbc7d94cf1dcb2100eeaf68791a401ad7ce54d tree 88812d920d7a50a63abe123a7618c5eac2c6272a parent 30d9464c76743160612e7de0b2f5f656c78915d3 author Ira Snyder <[EMAIL PROTECTED]> 1164018048 -0300 committer Mauro Carvalho Chehab <[EMAIL PROTECTED]> 1164538357 -0200
V4L/DVB (4849): Add missing spin_unlock to saa6588 decoder driver Sparse noticed a lock imbalance in read_from_buf(). Further inspection shows that the lock should not be held when the function exits. This adds a spin_unlock_irqrestore(), so that every exit path of the read_from_buf() function is consistent. The unlock was missing on an error path. Signed-off-by: Ira W. Snyder <[EMAIL PROTECTED]> Signed-off-by: Hans J. Koch <[EMAIL PROTECTED]> Signed-off-by: Mauro Carvalho Chehab <[EMAIL PROTECTED]> drivers/media/video/saa6588.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/media/video/saa6588.c b/drivers/media/video/saa6588.c index a81285c..7b9859c 100644 --- a/drivers/media/video/saa6588.c +++ b/drivers/media/video/saa6588.c @@ -212,8 +212,10 @@ static void read_from_buf(struct saa6588 if (rd_blocks > s->block_count) rd_blocks = s->block_count; - if (!rd_blocks) + if (!rd_blocks) { + spin_unlock_irqrestore(&s->lock, flags); return; + } for (i = 0; i < rd_blocks; i++) { if (block_to_user_buf(s, buf_ptr)) { - To unsubscribe from this list: send the line "unsubscribe git-commits-head" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html