hwrng: amd - Fix return value check in mod_init()
authorWei Yongjun <weiyongjun1@huawei.com>
Fri, 16 Sep 2016 01:49:41 +0000 (01:49 +0000)
committerHerbert Xu <herbert@gondor.apana.org.au>
Thu, 22 Sep 2016 10:27:48 +0000 (18:27 +0800)
commitf7eca278a8f81e701848392b522f80078bf2589f
tree1c7a1a2ac982e875532e10a81294c1bebdff2295
parent06435f3437599d01653d42670c604d0b28a878e1
hwrng: amd - Fix return value check in mod_init()

In case of error, the function devm_kzalloc() or devm_ioport_map()
return NULL pointer not ERR_PTR(). The IS_ERR() test in the return
value check should be replaced with NULL test.

Fixes: 31b2a73c9c5f ("hwrng: amd - Migrate to managed API")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
drivers/char/hw_random/amd-rng.c