[PATCH 4/4] selinux: Adjust five checks for null pointers

[SF Markus Elfring]

From: Markus Elfring <elfr...@users.sourceforge.net>
Date: Sun, 13 Aug 2017 16:16:05 +0200
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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/ebitmap.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/security/selinux/ss/ebitmap.c b/security/selinux/ss/ebitmap.c
index 697bd748760a..c778135989f5 100644
--- a/security/selinux/ss/ebitmap.c
+++ b/security/selinux/ss/ebitmap.c
@@ -96,12 +96,12 @@ int ebitmap_netlbl_export(struct ebitmap *ebmap,
        unsigned int iter;
        int rc;
 
-       if (e_iter == NULL) {
+       if (!e_iter) {
                *catmap = NULL;
                return 0;
        }
 
-       if (*catmap != NULL)
+       if (*catmap)
                netlbl_catmap_free(*catmap);
        *catmap = NULL;
 
@@ -161,14 +161,14 @@ int ebitmap_netlbl_import(struct ebitmap *ebmap,
                        continue;
                }
 
-               if (e_iter == NULL ||
+               if (!e_iter ||
                    offset >= e_iter->startbit + EBITMAP_SIZE) {
                        e_prev = e_iter;
                        e_iter = kmem_cache_zalloc(ebitmap_node_cachep, 
GFP_ATOMIC);
-                       if (e_iter == NULL)
+                       if (!e_iter)
                                goto netlbl_import_failure;
                        e_iter->startbit = offset - (offset % EBITMAP_SIZE);
-                       if (e_prev == NULL)
+                       if (!e_prev)
                                ebmap->node = e_iter;
                        else
                                e_prev->next = e_iter;
-- 
2.14.0