Messages in this thread Patch in this message | | | From | Namhyung Kim <> | Subject | [PATCH 1/2] selinux: simple cleanup for cond_read_node() | Date | Sun, 15 Jun 2014 01:19:01 +0900 |
| |
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> --- security/selinux/ss/conditional.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-)
diff --git a/security/selinux/ss/conditional.c b/security/selinux/ss/conditional.c index 377d148e7157..4766a38fae9a 100644 --- a/security/selinux/ss/conditional.c +++ b/security/selinux/ss/conditional.c @@ -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(buf)); 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); -- 2.0.0
| |