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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
commit35bfbf70b2928ce5fbc117a410915eeee457202b (patch)
treed25204634a204ad33a4dcfff2cae03e50c694586 /drivers/video
parentd9b1fe651606c8da040adca6edf37b853dfd9514 (diff)
downloadlinux-35bfbf70b2928ce5fbc117a410915eeee457202b.tar.bz2
sm501fb: unregister framebuffer only if registered
There are cases when panel and crt both are not defined and only one of them is defined and initialized. In such cases, while removing the device, unregister the framebuffer only if it was registered. 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, 4 insertions, 2 deletions
diff --git a/drivers/video/fbdev/sm501fb.c b/drivers/video/fbdev/sm501fb.c
index 381475fa137b..577a48339bab 100644
--- a/drivers/video/fbdev/sm501fb.c
+++ b/drivers/video/fbdev/sm501fb.c
@@ -2079,8 +2079,10 @@ static int sm501fb_remove(struct platform_device *pdev)
sm501_free_init_fb(info, HEAD_CRT);
sm501_free_init_fb(info, HEAD_PANEL);
- unregister_framebuffer(fbinfo_crt);
- unregister_framebuffer(fbinfo_pnl);
+ if (fbinfo_crt)
+ unregister_framebuffer(fbinfo_crt);
+ if (fbinfo_pnl)
+ unregister_framebuffer(fbinfo_pnl);
sm501fb_stop(info);
kfree(info);