[PATCH v2 3/8] rcar-vin: Allow interrupting lock when trying to open the video device

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The user should be allowed to break waiting for the lock when opening
the video device.

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>
Reviewed-by: Ulrich Hecht <uli+renesas@xxxxxxxx>
---
 drivers/media/platform/rcar-vin/rcar-v4l2.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/rcar-vin/rcar-v4l2.c b/drivers/media/platform/rcar-vin/rcar-v4l2.c
index 0841f1a0bfd7ba3a..f67cef97b89a3bd4 100644
--- a/drivers/media/platform/rcar-vin/rcar-v4l2.c
+++ b/drivers/media/platform/rcar-vin/rcar-v4l2.c
@@ -821,7 +821,9 @@ static int rvin_open(struct file *file)
 	struct rvin_dev *vin = video_drvdata(file);
 	int ret;
 
-	mutex_lock(&vin->lock);
+	ret = mutex_lock_interruptible(&vin->lock);
+	if (ret)
+		return ret;
 
 	file->private_data = vin;
 
-- 
2.21.0




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