From: Dave Reisner <d@falconindy.com>
Date: Thu, 5 Jan 2012 00:05:04 +0000 (-0500)
Subject: libkmod/hash: check for NULL before freeing hash
X-Git-Tag: v3~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4f17bb0bd277b749e7e3c9946baf26ddde2916d7;p=thirdparty%2Fkmod.git

libkmod/hash: check for NULL before freeing hash
---

diff --git a/libkmod/libkmod-hash.c b/libkmod/libkmod-hash.c
index 8ca9cf41..11dac669 100644
--- a/libkmod/libkmod-hash.c
+++ b/libkmod/libkmod-hash.c
@@ -64,6 +64,10 @@ struct hash *hash_new(unsigned int n_buckets,
 void hash_free(struct hash *hash)
 {
 	struct hash_bucket *bucket, *bucket_end;
+
+	if (hash == NULL)
+		return;
+
 	bucket = hash->buckets;
 	bucket_end = bucket + hash->n_buckets;
 	for (; bucket < bucket_end; bucket++) {