diff options
| author | Sandor Yu <R01008@freescale.com> | 2014-07-17 20:41:14 +0800 |
|---|---|---|
| committer | Sandor Yu <R01008@freescale.com> | 2014-07-17 21:19:37 +0800 |
| commit | 3bea30ff471c8fc1e546be26a8625e6aa425d5aa (patch) | |
| tree | 44dc215b54059e65e117ed5493fe99b61d43fc7b | |
| parent | 5687cb8dc5099acdb0e3a0542f666326764d558c (diff) | |
ENGR00321817-02 fbcon: System hang when calling fb_new_modelist()
System will hang if calling fb_new_modelist() function from mxc_hdmi
driver.
In the function of fbcon_new_modelist(), pointer variable vc is missing
null pointer check, add null pointer check vc to fix the issue.
Signed-off-by: Sandor Yu <R01008@freescale.com>
| -rw-r--r-- | drivers/video/console/fbcon.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c index a92783e480e6..4a42cc56d4b2 100644 --- a/drivers/video/console/fbcon.c +++ b/drivers/video/console/fbcon.c @@ -3208,6 +3208,8 @@ static void fbcon_new_modelist(struct fb_info *info) if (!fb_display[i].mode) continue; vc = vc_cons[i].d; + if (!vc) + continue; display_to_var(&var, &fb_display[i]); mode = fb_find_nearest_mode(fb_display[i].mode, &info->modelist); |