diff options
Diffstat (limited to 'drivers/video/fbmem.c')
| -rw-r--r-- | drivers/video/fbmem.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c index 2222de6ad844..4ff853fbe0be 100644 --- 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; } @@ -626,7 +628,7 @@ fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var) int fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var) { - int err; + int err, flags = info->flags; if (var->activate & FB_ACTIVATE_INV_MODE) { struct fb_videomode mode1, mode2; @@ -680,7 +682,7 @@ fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var) !list_empty(&info->modelist)) err = fb_add_videomode(&mode, &info->modelist); - if (!err && info->flags & FBINFO_MISC_USEREVENT) { + if (!err && (flags & FBINFO_MISC_USEREVENT)) { struct fb_event event; info->flags &= ~FBINFO_MISC_USEREVENT; @@ -1164,6 +1166,7 @@ static void __exit fbmem_exit(void) { class_destroy(fb_class); + unregister_chrdev(FB_MAJOR, "fb"); } module_exit(fbmem_exit); |
