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authorSudip Mukherjee <sudipm.mukherjee@gmail.com>2017-11-09 18:09:31 +0100
committerBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>2017-11-09 18:09:31 +0100
commitffb66624caa4db72e3a00aba8d27862395173b20 (patch)
tree6c7d2b48e206ebed65450f4a62e5e8830bac2db4 /drivers/video
parent35bfbf70b2928ce5fbc117a410915eeee457202b (diff)
downloadlinux-ffb66624caa4db72e3a00aba8d27862395173b20.tar.bz2
sm501fb: suspend and resume fb if it exists
There are cases when panel and crt both are not defined and only one of them is defined and initialized. In such cases, suspend or resume it only if it is defined. Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/fbdev/sm501fb.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/video/fbdev/sm501fb.c b/drivers/video/fbdev/sm501fb.c
index 577a48339bab..49233c192662 100644
--- a/drivers/video/fbdev/sm501fb.c
+++ b/drivers/video/fbdev/sm501fb.c
@@ -2101,6 +2101,9 @@ static int sm501fb_suspend_fb(struct sm501fb_info *info,
struct fb_info *fbi = info->fb[head];
struct sm501fb_par *par = fbi->par;
+ if (!fbi)
+ return 0;
+
if (par->screen.size == 0)
return 0;
@@ -2148,6 +2151,9 @@ static void sm501fb_resume_fb(struct sm501fb_info *info,
struct fb_info *fbi = info->fb[head];
struct sm501fb_par *par = fbi->par;
+ if (!fbi)
+ return;
+
if (par->screen.size == 0)
return;