[PATCH 3/3] sm501fb: suspend and resume fb if it exists
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From: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Date: 2017-11-04 21:24:33
Also in:
lkml
Subsystem:
framebuffer layer, the rest · Maintainers:
Helge Deller, Linus Torvalds
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> --- drivers/video/fbdev/sm501fb.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/video/fbdev/sm501fb.c b/drivers/video/fbdev/sm501fb.c
index 577a483..49233c1 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;
--
2.1.4