selinux: Unify for- and while-loop style

Replace "thing != NULL" comparisons with just "thing" to make
the code look more uniform (mixed styles were used even in the
same source file).

Signed-off-by: Vesa-Matti Kari <vmkari@cc.helsinki.fi>
Acked-by:  Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: James Morris <jmorris@namei.org>

1 files changed, 3 insertions, 3 deletions

diff --git a/security/selinux/ss/hashtab.c b/security/selinux/ss/hashtab.c
index 2e7788e13213..933e735bb185 100644
--- a/security/selinux/ss/hashtab.c
+++ b/security/selinux/ss/hashtab.c
@@ -81,7 +81,7 @@ void *hashtab_search(struct hashtab *h, const void *key)
 
         hvalue = h->hash_value(h, key);
         cur = h->htable[hvalue];
-        while (cur != NULL && h->keycmp(h, key, cur->key) > 0)
+        while (cur && h->keycmp(h, key, cur->key) > 0)
                 cur = cur->next;
 
         if (cur == NULL || (h->keycmp(h, key, cur->key) != 0))
@@ -100,7 +100,7 @@ void hashtab_destroy(struct hashtab *h)
 
         for (i = 0; i < h->size; i++) {
                 cur = h->htable[i];
-                while (cur != NULL) {
+                while (cur) {
                         temp = cur;
                         cur = cur->next;
                         kfree(temp);
@@ -127,7 +127,7 @@ int hashtab_map(struct hashtab *h,
 
         for (i = 0; i < h->size; i++) {
                 cur = h->htable[i];
-                while (cur != NULL) {
+                while (cur) {
                         ret = apply(cur->key, cur->datum, args);
                         if (ret)
                                 return ret;