[PATCH] nvidiafb: Fix initial display corruption on certain laptops

[linux-2.6] / drivers / video / fbmem.c

diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index 2222de6ad8446b8d77ec879cf04ecface133fa83..d2e19f6dd72c21e57a2eeea7c97fd3ced88d52b8 100644 (file)
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -80,10 +80,12 @@ EXPORT_SYMBOL(fb_get_color_depth);
  */
 void fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u32 height)
 {
-       int i;
+       int i, j;
 
        for (i = height; i--; ) {
-               memcpy(dst, src, s_pitch);
+               /* s_pitch is a few bytes at the most, memcpy is suboptimal */
+               for (j = 0; j < s_pitch; j++)
+                       dst[j] = src[j];
                src += s_pitch;
                dst += d_pitch;
        }
@@ -1164,6 +1166,7 @@ static void __exit
 fbmem_exit(void)
 {
        class_destroy(fb_class);
+       unregister_chrdev(FB_MAJOR, "fb");
 }
 
 module_exit(fbmem_exit);