selinux: Adjust two checks for null pointers

The script "checkpatch.pl" pointed information out like the following.

Comparison to NULL could be written !…

Thus fix affected source code places.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Paul Moore <paul@paul-moore.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/security/selinux/ss/sidtab.c b/security/selinux/ss/sidtab.c
index c9533b21942b..f6915f257486 100644
--- a/security/selinux/ss/sidtab.c
+++ b/security/selinux/ss/sidtab.c
@@ -54,7 +54,7 @@ int sidtab_insert(struct sidtab *s, u32 sid, struct context *context)
         }
 
         newnode = kmalloc(sizeof(*newnode), GFP_ATOMIC);
-        if (newnode == NULL) {
+        if (!newnode) {
                 rc = -ENOMEM;
                 goto out;
         }
@@ -98,7 +98,7 @@ static struct context *sidtab_search_core(struct sidtab *s, u32 sid, int force)
         if (force && cur && sid == cur->sid && cur->context.len)
                 return &cur->context;
 
-        if (cur == NULL || sid != cur->sid || cur->context.len) {
+        if (!cur || sid != cur->sid || cur->context.len) {
                 /* Remap invalid SIDs to the unlabeled SID. */
                 sid = SECINITSID_UNLABELED;
                 hvalue = SIDTAB_HASH(sid);