1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/video/i810/i810_main.c b/drivers/video/i810/i810_main.c
index 2e940199fc89..71960672d721 100644
--- a/drivers/video/i810/i810_main.c
+++ b/drivers/video/i810/i810_main.c
@@ -1090,8 +1090,10 @@ static int encode_fix(struct fb_fix_screeninfo *fix, struct fb_info *info)
         memset(fix, 0, sizeof(struct fb_fix_screeninfo));
 
         strcpy(fix->id, "I810");
+        mutex_lock(&info->mm_lock);
         fix->smem_start = par->fb.physical;
         fix->smem_len = par->fb.size;
+        mutex_unlock(&info->mm_lock);
         fix->type = FB_TYPE_PACKED_PIXELS;
         fix->type_aux = 0;
         fix->xpanstep = 8;