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selinux: Unify for- and while-loop style

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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>
This commit is contained in:
Vesa-Matti Kari
2008-08-07 03:18:20 +03:00
committed by James Morris
parent 421fae06be
commit dbc74c65b3
6 changed files with 24 additions and 24 deletions
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16
security/selinux/ss/conditional.c
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@@ -29,7 +29,7 @@ static int cond_evaluate_expr(struct policydb *p, struct cond_expr *expr)
int s[COND_EXPR_MAXDEPTH];
int sp = -1;
for (cur = expr; cur != NULL; cur = cur->next) {
for (cur = expr; cur; cur = cur->next) {
switch (cur->expr_type) {
case COND_BOOL:
if (sp == (COND_EXPR_MAXDEPTH - 1))
@@ -97,14 +97,14 @@ int evaluate_cond_node(struct policydb *p, struct cond_node *node)
if (new_state == -1)
printk(KERN_ERR "SELinux: expression result was undefined - disabling all rules.\n");
/* turn the rules on or off */
for (cur = node->true_list; cur != NULL; cur = cur->next) {
for (cur = node->true_list; cur; cur = cur->next) {
if (new_state <= 0)
cur->node->key.specified &= ~AVTAB_ENABLED;
else
cur->node->key.specified |= AVTAB_ENABLED;
}
for (cur = node->false_list; cur != NULL; cur = cur->next) {
for (cur = node->false_list; cur; cur = cur->next) {
/* -1 or 1 */
if (new_state)
cur->node->key.specified &= ~AVTAB_ENABLED;
@@ -128,7 +128,7 @@ int cond_policydb_init(struct policydb *p)
static void cond_av_list_destroy(struct cond_av_list *list)
{
struct cond_av_list *cur, *next;
for (cur = list; cur != NULL; cur = next) {
for (cur = list; cur; cur = next) {
next = cur->next;
/* the avtab_ptr_t node is destroy by the avtab */
kfree(cur);
@@ -139,7 +139,7 @@ static void cond_node_destroy(struct cond_node *node)
{
struct cond_expr *cur_expr, *next_expr;
for (cur_expr = node->expr; cur_expr != NULL; cur_expr = next_expr) {
for (cur_expr = node->expr; cur_expr; cur_expr = next_expr) {
next_expr = cur_expr->next;
kfree(cur_expr);
}
@@ -155,7 +155,7 @@ static void cond_list_destroy(struct cond_node *list)
if (list == NULL)
return;
for (cur = list; cur != NULL; cur = next) {
for (cur = list; cur; cur = next) {
next = cur->next;
cond_node_destroy(cur);
}
@@ -291,7 +291,7 @@ static int cond_insertf(struct avtab *a, struct avtab_key *k, struct avtab_datum
goto err;
}
found = 0;
for (cur = other; cur != NULL; cur = cur->next) {
for (cur = other; cur; cur = cur->next) {
if (cur->node == node_ptr) {
found = 1;
break;
@@ -485,7 +485,7 @@ void cond_compute_av(struct avtab *ctab, struct avtab_key *key, struct av_decisi
if (!ctab || !key || !avd)
return;
for (node = avtab_search_node(ctab, key); node != NULL;
for (node = avtab_search_node(ctab, key); node;
node = avtab_search_node_next(node, key->specified)) {
if ((u16)(AVTAB_ALLOWED|AVTAB_ENABLED) ==
(node->key.specified & (AVTAB_ALLOWED|AVTAB_ENABLED)))