crypto: qat - Fix return value check in adf_chr_drv_create()

In case of error, the function device_create() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check
should be replaced with IS_ERR().

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Wei Yongjun 2014-08-14 09:00:44 +08:00 committed by Herbert Xu
parent e5ffbfc182
commit 65fafbe9bd

View File

@ -111,7 +111,7 @@ static int adf_chr_drv_create(void)
drv_device = device_create(adt_ctl_drv.drv_class, NULL,
MKDEV(adt_ctl_drv.major, 0),
NULL, DEVICE_NAME);
if (!drv_device) {
if (IS_ERR(drv_device)) {
pr_err("QAT: failed to create device\n");
goto err_cdev_del;
}