[PATCH 44/46] selinux: Adjust two checks for null pointers

[SF Markus Elfring]

From: Markus Elfring <elfr...@users.sourceforge.net>
Date: Sun, 15 Jan 2017 13:30:20 +0100
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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 <elfr...@users.sourceforge.net>
---
 security/selinux/ss/sidtab.c | 4 ++--
 1 file 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);
-- 
2.11.0