1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/media/video/mem2mem_testdev.c b/drivers/media/video/mem2mem_testdev.c
index 12897e8a3314..d2dec585e61b 100644
--- a/drivers/media/video/mem2mem_testdev.c
+++ b/drivers/media/video/mem2mem_testdev.c
@@ -40,7 +40,7 @@ MODULE_VERSION("0.1.1");
 #define MIN_H 32
 #define MAX_W 640
 #define MAX_H 480
-#define DIM_ALIGN_MASK 0x08 /* 8-alignment for dimensions */
+#define DIM_ALIGN_MASK 7 /* 8-byte alignment for line length */
 
 /* Flags that indicate a format can be used for capture/output */
 #define MEM2MEM_CAPTURE (1 << 0)
@@ -958,6 +958,10 @@ static int m2mtest_probe(struct platform_device *pdev)
         }
 
         *vfd = m2mtest_videodev;
+        /* Locking in file operations other than ioctl should be done
+           by the driver, not the V4L2 core.
+           This driver needs auditing so that this flag can be removed. */
+        set_bit(V4L2_FL_LOCK_ALL_FOPS, &vfd->flags);
         vfd->lock = &dev->dev_mutex;
 
         ret = video_register_device(vfd, VFL_TYPE_GRABBER, 0);