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path: root/drivers/video/sis/sis_main.c
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Diffstat (limited to 'drivers/video/sis/sis_main.c')
-rw-r--r--drivers/video/sis/sis_main.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/video/sis/sis_main.c b/drivers/video/sis/sis_main.c
index 7072d19080d5..fd33455389b8 100644
--- a/drivers/video/sis/sis_main.c
+++ b/drivers/video/sis/sis_main.c
@@ -1847,8 +1847,10 @@ sisfb_get_fix(struct fb_fix_screeninfo *fix, int con, struct fb_info *info)
strcpy(fix->id, ivideo->myid);
+ mutex_lock(&info->mm_lock);
fix->smem_start = ivideo->video_base + ivideo->video_offset;
fix->smem_len = ivideo->sisfb_mem;
+ mutex_unlock(&info->mm_lock);
fix->type = FB_TYPE_PACKED_PIXELS;
fix->type_aux = 0;
fix->visual = (ivideo->video_bpp == 8) ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;