sisfb: fix regression with uninitalized fb_info->mm_lock mutex

Remove redundant call to the sisfb_get_fix() before sis frambuffer is
registered.

This fixes a problem with uninitialized the fb_info->mm_lock mutex
introduced by the commit 537a1bf059f " fbdev: add mutex for fb_mmap
locking"

Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Tested-by: Wu Zhangjin <wuzhangjin@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 0 insertions, 1 deletions

diff --git a/drivers/video/sis/sis_main.c b/drivers/video/sis/sis_main.c
index fd33455389b8..4a067f0d0ceb 100644
--- a/drivers/video/sis/sis_main.c
+++ b/drivers/video/sis/sis_main.c
@@ -6367,7 +6367,6 @@ error_3:	vfree(ivideo->bios_abase);
                 sis_fb_info->fix = ivideo->sisfb_fix;
                 sis_fb_info->screen_base = ivideo->video_vbase + ivideo->video_offset;
                 sis_fb_info->fbops = &sisfb_ops;
-                sisfb_get_fix(&sis_fb_info->fix, -1, sis_fb_info);
                 sis_fb_info->pseudo_palette = ivideo->pseudo_palette;
 
                 fb_alloc_cmap(&sis_fb_info->cmap, 256 , 0);