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[40/68,media] dt3155v4l: vb2_queue_init() can now fail. Check is required

Message ID 1351370486-29040-41-git-send-email-mchehab@redhat.com (mailing list archive)
State New, archived
Headers show

Commit Message

Mauro Carvalho Chehab Oct. 27, 2012, 8:40 p.m. UTC
drivers/staging/media/dt3155v4l/dt3155v4l.c: In function 'dt3155_open':
drivers/staging/media/dt3155v4l/dt3155v4l.c:399:17: warning: ignoring return value of 'vb2_queue_init', declared with attribute warn_unused_result [-Wunused-result]

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/staging/media/dt3155v4l/dt3155v4l.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/staging/media/dt3155v4l/dt3155v4l.c b/drivers/staging/media/dt3155v4l/dt3155v4l.c
index 2e7b711..54f1813 100644
--- a/drivers/staging/media/dt3155v4l/dt3155v4l.c
+++ b/drivers/staging/media/dt3155v4l/dt3155v4l.c
@@ -396,7 +396,9 @@  dt3155_open(struct file *filp)
 		pd->q->drv_priv = pd;
 		pd->curr_buf = NULL;
 		pd->field_count = 0;
-		vb2_queue_init(pd->q); /* cannot fail */
+		ret = vb2_queue_init(pd->q);
+		if (ret < 0)
+			return ret;
 		INIT_LIST_HEAD(&pd->dmaq);
 		spin_lock_init(&pd->lock);
 		/* disable all irqs, clear all irq flags */