[PATCH 4.9 090/111] gpio: pxa: Fix potential NULL dereference

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Wei Yongjun [ Upstream commit 9506755633d0b32ef76f67c345000178e9b0dfc4 ] platform_get_resource() may fail and return NULL, so we should better check it's return value to avoid a NULL pointer

[PATCH 4.9 090/111] gpio: pxa: Fix potential NULL dereference

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Wei Yongjun [ Upstream commit 9506755633d0b32ef76f67c345000178e9b0dfc4 ] platform_get_resource() may fail and return NULL, so we should better check it's return value to avoid a NULL pointer