X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=drivers%2Fvideo%2Fpxafb.c;h=6506117c134ba136058689157f49d7e725f1818f;hb=6effcd92454ca5d7021b74f89fcac75209e146f9;hp=0889d50c3288e127e97fe604bcdb4fa2d52b6224;hpb=f83b1e616f2f68b56b09b2f5116591981fee0c1c;p=~andy%2Flinux

diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c
index 0889d50c328..6506117c134 100644
--- a/drivers/video/pxafb.c
+++ b/drivers/video/pxafb.c
@@ -815,8 +815,10 @@ static int overlayfb_map_video_memory(struct pxafb_layer *ofb)
 	ofb->video_mem_phys = virt_to_phys(ofb->video_mem);
 	ofb->video_mem_size = size;
 
+	mutex_lock(&ofb->fb.mm_lock);
 	ofb->fb.fix.smem_start	= ofb->video_mem_phys;
 	ofb->fb.fix.smem_len	= ofb->fb.fix.line_length * var->yres_virtual;
+	mutex_unlock(&ofb->fb.mm_lock);
 	ofb->fb.screen_base	= ofb->video_mem;
 	return 0;
 }