V4L/DVB (10080): soc-camera: readability improvements, more strict operations checks

Simplify multiple drivers by replacing f->fmt.pix.* with a single pointer
dereference, merge some needlessly broken lines, verify host and camera
operations pointers on registration.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 6 insertions, 4 deletions

diff --git a/drivers/media/video/mt9m111.c b/drivers/media/video/mt9m111.c
index 3dfeea4e94b1..c89ea41fe259 100644
--- a/drivers/media/video/mt9m111.c
+++ b/drivers/media/video/mt9m111.c
@@ -503,10 +503,12 @@ static int mt9m111_set_fmt(struct soc_camera_device *icd,
 static int mt9m111_try_fmt(struct soc_camera_device *icd,
                            struct v4l2_format *f)
 {
-        if (f->fmt.pix.height > MT9M111_MAX_HEIGHT)
-                f->fmt.pix.height = MT9M111_MAX_HEIGHT;
-        if (f->fmt.pix.width > MT9M111_MAX_WIDTH)
-                f->fmt.pix.width = MT9M111_MAX_WIDTH;
+        struct v4l2_pix_format *pix = &f->fmt.pix;
+
+        if (pix->height > MT9M111_MAX_HEIGHT)
+                pix->height = MT9M111_MAX_HEIGHT;
+        if (pix->width > MT9M111_MAX_WIDTH)
+                pix->width = MT9M111_MAX_WIDTH;
 
         return 0;
 }