From: Jesper Juhl <jesper.juhl@gmail.com>
Date: Mon, 7 Nov 2005 09:01:35 +0000 (-0800)
Subject: [PATCH] kfree cleanup: security
X-Git-Tag: Ubuntu-5.4-5.4.0-11.14~56835
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=a7f988ba304c5f6e78f937a06d120a0097b4d351;p=mirror_ubuntu-focal-kernel.git

[PATCH] kfree cleanup: security

This is the security/ part of the big kfree cleanup patch.

Remove pointless checks for NULL prior to calling kfree() in security/.

Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
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/keys/key.c b/security/keys/key.c
index ccde17aff616..01bcfecb7eae 100644
--- a/security/keys/key.c
+++ b/security/keys/key.c
@@ -115,8 +115,7 @@ struct key_user *key_user_lookup(uid_t uid)
  found:
 	atomic_inc(&user->usage);
 	spin_unlock(&key_user_lock);
-	if (candidate)
-		kfree(candidate);
+	kfree(candidate);
  out:
 	return user;
 
diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c
index 2f5f539875f2..0ac311dc8371 100644
--- a/security/selinux/ss/policydb.c
+++ b/security/selinux/ss/policydb.c
@@ -632,22 +632,22 @@ void policydb_destroy(struct policydb *p)
 	cond_policydb_destroy(p);
 
 	for (tr = p->role_tr; tr; tr = tr->next) {
-		if (ltr) kfree(ltr);
+		kfree(ltr);
 		ltr = tr;
 	}
-	if (ltr) kfree(ltr);
+	kfree(ltr);
 
 	for (ra = p->role_allow; ra; ra = ra -> next) {
-		if (lra) kfree(lra);
+		kfree(lra);
 		lra = ra;
 	}
-	if (lra) kfree(lra);
+	kfree(lra);
 
 	for (rt = p->range_tr; rt; rt = rt -> next) {
-		if (lrt) kfree(lrt);
+		kfree(lrt);
 		lrt = rt;
 	}
-	if (lrt) kfree(lrt);
+	kfree(lrt);
 
 	if (p->type_attr_map) {
 		for (i = 0; i < p->p_types.nprim; i++)