[PATCH] s5p-fimc: Don't ignore return value of vb2_queue_init()

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Add missing checks for return value of vb2_queue_init(), after
this function has been modified recently to not throw BUG_ON().
This eliminates related compiler warnings,

drivers/media/platform/s5p-fimc/fimc-lite.c: In function fimc_lite_subdev_registered:
drivers/media/platform/s5p-fimc/fimc-lite.c:1256:16: warning: ignoring return value
of vb2_queue_init, declared with attribute warn_unused_result [-Wunused-result]
drivers/media/platform/s5p-fimc/fimc-capture.c: In function fimc_register_capture_device:
drivers/media/platform/s5p-fimc/fimc-capture.c:1739:16: warning: ignoring return value
of vb2_queue_init, declared with attribute warn_unused_result [-Wunused-result]

Signed-off-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
 drivers/media/platform/s5p-fimc/fimc-capture.c |    4 +++-
 drivers/media/platform/s5p-fimc/fimc-lite.c    |    4 +++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/media/platform/s5p-fimc/fimc-capture.c b/drivers/media/platform/s5p-fimc/fimc-capture.c
index ae756f6..cf6cdeb 100644
--- a/drivers/media/platform/s5p-fimc/fimc-capture.c
+++ b/drivers/media/platform/s5p-fimc/fimc-capture.c
@@ -1736,7 +1736,9 @@ static int fimc_register_capture_device(struct fimc_dev *fimc,
 	q->mem_ops = &vb2_dma_contig_memops;
 	q->buf_struct_size = sizeof(struct fimc_vid_buffer);
 
-	vb2_queue_init(q);
+	ret = vb2_queue_init(q);
+	if (ret)
+		goto err_ent;
 
 	vid_cap->vd_pad.flags = MEDIA_PAD_FL_SINK;
 	ret = media_entity_init(&vfd->entity, 1, &vid_cap->vd_pad, 0);
diff --git a/drivers/media/platform/s5p-fimc/fimc-lite.c b/drivers/media/platform/s5p-fimc/fimc-lite.c
index bfbb22c..0376cfe 100644
--- a/drivers/media/platform/s5p-fimc/fimc-lite.c
+++ b/drivers/media/platform/s5p-fimc/fimc-lite.c
@@ -1282,7 +1282,9 @@ static int fimc_lite_subdev_registered(struct v4l2_subdev *sd)
 	q->buf_struct_size = sizeof(struct flite_buffer);
 	q->drv_priv = fimc;
 
-	vb2_queue_init(q);
+	ret = vb2_queue_init(q);
+	if (ret < 0)
+		return ret;
 
 	fimc->vd_pad.flags = MEDIA_PAD_FL_SINK;
 	ret = media_entity_init(&vfd->entity, 1, &fimc->vd_pad, 0);
-- 
1.7.9.5

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