[PATCH 3/9] staging: vc04_services: bcm2835-camera: Remove redundant null check

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Remove the buf pointer null check in buffer_cb() as it can never be
NULL. buffer_cb() is always called with a valid mmal_buf pointer
(which is NULL checked) from which, struct vb2_mmal_buf buf pointer
is derived, using container_of macro.

Signed-off-by: Umang Jain <umang.jain@xxxxxxxxxxxxxxxx>
Reviewed-by: Ricardo B. Marliere <ricardo@xxxxxxxxxxxx>
---
 .../staging/vc04_services/bcm2835-camera/bcm2835-camera.c  | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c
index e6e89784d84b..4b2b8f3bf903 100644
--- a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c
+++ b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c
@@ -333,11 +333,8 @@ static void buffer_cb(struct vchiq_mmal_instance *instance,
 		 mmal_buf->pts);
 
 	if (status) {
-		/* error in transfer */
-		if (buf) {
-			/* there was a buffer with the error so return it */
-			vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
-		}
+		/* There was a buffer with the error so return it. */
+		vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
 		return;
 	}
 
-- 
2.41.0




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