diff options
| author |   Sudip Mukherjee <sudipm.mukherjee@gmail.com> | 2017-11-09 18:09:31 +0100 |
|---|---|---|
| committer |   Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> | 2017-11-09 18:09:31 +0100 |
| commit | 35bfbf70b2928ce5fbc117a410915eeee457202b (patch) | |
| tree | d25204634a204ad33a4dcfff2cae03e50c694586 /drivers/video | |
| parent | sm501fb: deallocate colormap only if allocated (diff) | |
| download | linux-dev-35bfbf70b2928ce5fbc117a410915eeee457202b.tar.xz linux-dev-35bfbf70b2928ce5fbc117a410915eeee457202b.zip | |
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.c | 6 |
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); |