From: Darrel Goeddel <dgoeddel@TrustedCS.com>
Date: Sun, 30 Jul 2006 10:03:17 +0000 (-0700)
Subject: [PATCH] selinux: fix memory leak
X-Git-Tag: upstream/snapshot3+hdmi~38708
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ddccef3b5ec906ff181171e8ffad4fcb996792fd;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

[PATCH] selinux: fix memory leak

This patch fixes a memory leak when a policydb structure is destroyed.

Signed-off-by: Darrel Goeddel <dgoeddel@trustedcs.com>
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
Acked-by: James Morris <jmorris@namei.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c
index 0111990..f03960e 100644
--- a/security/selinux/ss/policydb.c
+++ b/security/selinux/ss/policydb.c
@@ -644,10 +644,18 @@ void policydb_destroy(struct policydb *p)
 	kfree(lra);
 
 	for (rt = p->range_tr; rt; rt = rt -> next) {
-		kfree(lrt);
+		if (lrt) {
+			ebitmap_destroy(&lrt->range.level[0].cat);
+			ebitmap_destroy(&lrt->range.level[1].cat);
+			kfree(lrt);
+		}
 		lrt = rt;
 	}
-	kfree(lrt);
+	if (lrt) {
+		ebitmap_destroy(&lrt->range.level[0].cat);
+		ebitmap_destroy(&lrt->range.level[1].cat);
+		kfree(lrt);
+	}
 
 	if (p->type_attr_map) {
 		for (i = 0; i < p->p_types.nprim; i++)