sm501fb: unregister framebuffer only if registered
authorSudip Mukherjee <sudipm.mukherjee@gmail.com>
Thu, 9 Nov 2017 17:09:31 +0000 (18:09 +0100)
committerBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Thu, 9 Nov 2017 17:09:31 +0000 (18:09 +0100)
commit35bfbf70b2928ce5fbc117a410915eeee457202b
treed25204634a204ad33a4dcfff2cae03e50c694586
parentd9b1fe651606c8da040adca6edf37b853dfd9514
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>
drivers/video/fbdev/sm501fb.c