Input: mxs-lradc - use correct error check
authorPan Bian <bianpan2016@163.com>
Mon, 14 Aug 2017 17:29:13 +0000 (10:29 -0700)
committerDmitry Torokhov <dmitry.torokhov@gmail.com>
Tue, 15 Aug 2017 03:23:47 +0000 (20:23 -0700)
commit6ecd36d732886ecb07768432212efce9cfb6ac2f
tree9515ec2a4d8b5e5303e83e760530086eb457d6ac
parente48060ce2c7f73e424272bd6f5d9f996f1853064
Input: mxs-lradc - use correct error check

Function devm_ioremap() will return a NULL pointer on failure. However,
in function mxs_lradc_ts_probe(), its return value is checked with
IS_ERR(), which cannot detect the exceptional case.

Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
drivers/input/touchscreen/mxs-lradc-ts.c