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LSM: fix return value check in safesetid_init_securityfs() 

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

Fixes: aeca4e2ca6 ("LSM: add SafeSetID module that gates setid calls")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: James Morris <james.morris@microsoft.com>
This commit is contained in:
Wei Yongjun 2019-02-12 07:58:31 +00:00 committed by James Morris
parent c67e8ec03f
commit e7a44cfd63
1 changed files with 1 additions and 1 deletions
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2
security/safesetid/securityfs.c
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@ -167,7 +167,7 @@ static int __init safesetid_init_securityfs(void)
return 0;
safesetid_policy_dir = securityfs_create_dir("safesetid", NULL);
if (!safesetid_policy_dir) {
if (IS_ERR(safesetid_policy_dir)) {
ret = PTR_ERR(safesetid_policy_dir);
goto error;
}