rk fb: add the judgement that if the variable dev_drv is null pointer
authorzwl <zwl@rock-chips.com>
Wed, 2 Jul 2014 03:55:27 +0000 (11:55 +0800)
committerzwl <zwl@rock-chips.com>
Wed, 2 Jul 2014 03:55:42 +0000 (11:55 +0800)
commit0c6b163418d97412095399c3ff9f68383cfb077e
treef06b403091bfd6f818743e625ae064553bbe6056
parent71bda07de270589a7cb8bb5f8118f207b5154d51
rk fb: add the judgement that if the variable dev_drv is null pointer
drivers/video/rockchip/rk_fb.c