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authorMathieu Desnoyers <mathieu.desnoyers@efficios.com>2010-03-30 00:04:00 +0100
committerJames Morris <jmorris@namei.org>2010-03-30 17:15:38 +1100
commit570b8fb505896e007fd3bb07573ba6640e51851d (patch)
treefd36f685aa2028628605733708bbf7d1af62f3ec /kernel/cred.c
parent9623e5a23724d09283c238960946ec6f65733afe (diff)
downloadlinux-570b8fb505896e007fd3bb07573ba6640e51851d.tar.gz
CRED: Fix memory leak in error handling
Fix a memory leak on an OOM condition in prepare_usermodehelper_creds(). Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'kernel/cred.c')
-rw-r--r--kernel/cred.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/kernel/cred.c b/kernel/cred.c
index 1ed8ca18790..1b1129d0cce 100644
--- a/kernel/cred.c
+++ b/kernel/cred.c
@@ -364,7 +364,7 @@ struct cred *prepare_usermodehelper_creds(void)
new = kmem_cache_alloc(cred_jar, GFP_ATOMIC);
if (!new)
- return NULL;
+ goto free_tgcred;
kdebug("prepare_usermodehelper_creds() alloc %p", new);
@@ -397,6 +397,10 @@ struct cred *prepare_usermodehelper_creds(void)
error:
put_cred(new);
+free_tgcred:
+#ifdef CONFIG_KEYS
+ kfree(tgcred);
+#endif
return NULL;
}