[PATCH 4.4 065/158] media: coda: Remove unbalanced and unneeded mutex unlock

Greg Kroah-Hartman
2019-08-02T10:05:40Z

From: Ezequiel Garcia <ezequiel@collabora.com>

commit 766b9b168f6c75c350dd87c3e0bc6a9b322f0013 upstream.

The mutex unlock in the threaded interrupt handler is not paired
with any mutex lock. Remove it.

This bug has been here for a really long time, so it applies
to any stable repo.

Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Cc: stable@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/media/platform/coda/coda-bit.c | 1 -
1 file changed, 1 deletion(-)

--- a/drivers/media/platform/coda/coda-bit.c
+++ b/drivers/media/platform/coda/coda-bit.c
@@ -2107,7 +2107,6 @@ irqreturn_t coda_irq_handler(int irq, vo
if (ctx == NULL) {
v4l2_err(&dev->v4l2_dev,
"Instance released before the end of transaction\n");
- mutex_unlock(&dev->coda_mutex);
return IRQ_HANDLED;
}