drivers/video/mx3fb.c: use NULL for pointer

Fix the following sparse error:

  drivers/video/mx3fb.c:1309:28: warning: Using plain integer as NULL pointer

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/video/mx3fb.c b/drivers/video/mx3fb.c
index 7368872..cfdb380 100644 (file)
--- a/drivers/video/mx3fb.c
+++ b/drivers/video/mx3fb.c
@@ -1306,7 +1306,7 @@ static int mx3fb_unmap_video_memory(struct fb_info *fbi)
        dma_free_writecombine(fbi->device, fbi->fix.smem_len,
                              fbi->screen_base, fbi->fix.smem_start);
 
-       fbi->screen_base = 0;
+       fbi->screen_base = NULL;
        mutex_lock(&fbi->mm_lock);
        fbi->fix.smem_start = 0;
        fbi->fix.smem_len = 0;