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selinux: simple cleanup for cond_read_node()

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The node->cur_state and len can be read in a single call of next_entry().
And setting len before reading is a dead write so can be eliminated.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
(Minor tweak to the length parameter in the call to next_entry())
Signed-off-by: Paul Moore <pmoore@redhat.com>
This commit is contained in:
Namhyung Kim 2014-06-15 01:19:01 +09:00 committed by Paul Moore
parent 4bb9398300
commit f004afe60d
1 changed files with 2 additions and 7 deletions
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9
security/selinux/ss/conditional.c
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@ -402,19 +402,14 @@ static int cond_read_node(struct policydb *p, struct cond_node *node, void *fp)
int rc;
struct cond_expr *expr = NULL, *last = NULL;
rc = next_entry(buf, fp, sizeof(u32));
rc = next_entry(buf, fp, sizeof(u32) * 2);
if (rc)
return rc;
node->cur_state = le32_to_cpu(buf[0]);
len = 0;
rc = next_entry(buf, fp, sizeof(u32));
if (rc)
return rc;
/* expr */
len = le32_to_cpu(buf[0]);
len = le32_to_cpu(buf[1]);
for (i = 0; i < len; i++) {
rc = next_entry(buf, fp, sizeof(u32) * 2);