media: staging/media/davinci_vpfe: Add null check post kmalloc

Add NULL check post memory operations
Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

drivers/staging/media/davinci_vpfe/dm365_ipipe.c

@@ -1311,6 +1311,11 @@ static int ipipe_g_config(struct v4l2_subdev *sd, struct vpfe_ipipe_config *cfg)
 		to = *(void **)((void *)cfg + module_if->config_offset);
 
 		params = kmalloc(sizeof(*params), GFP_KERNEL);
+		if (!params) {
+			rval = -ENOMEM;
+			goto error;
+		}
+
 		from = (void *)params + module_if->param_offset;
 		size = module_if->param_size;