[PATCH] security/apparmor/domain: use PTR_ERR_OR_ZERO

[Peng Hao]

The variable 'new' may be NULL, so use PTR_ERR_OR_ZERO instead
of PTR_ERR.

Signed-off-by: Peng Hao <peng.h...@zte.com.cn>
---
 security/apparmor/domain.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/security/apparmor/domain.c b/security/apparmor/domain.c
index 08c88de..7663589 100644
--- a/security/apparmor/domain.c
+++ b/security/apparmor/domain.c
@@ -1444,7 +1444,7 @@ int aa_change_profile(const char *fqname, int flags)
                        new = aa_label_merge(label, target, GFP_KERNEL);
                if (IS_ERR_OR_NULL(new)) {
                        info = "failed to build target label";
-                       error = PTR_ERR(new);
+                       error = PTR_ERR_OR_ZERO(new);
                        new = NULL;
                        perms.allow = 0;
                        goto audit;
-- 
1.8.3.1