X-Git-Url: http://git.cascardo.info/?a=blobdiff_plain;f=net%2Fmac80211%2Fdebugfs_key.c;h=1243d1db5c59c842d843a265a1b7fe5131df36e1;hb=520efd1ace3f826120482e57a95d649b4e1c1684;hp=4aa47d074a7964cd8e47f85d1f003c393a9efe24;hpb=1765a1fe5d6f82c0eceb1ad10594cfc83759b6d0;p=cascardo%2Flinux.git

diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c
index 4aa47d074a79..1243d1db5c59 100644
--- a/net/mac80211/debugfs_key.c
+++ b/net/mac80211/debugfs_key.c
@@ -203,9 +203,13 @@ static ssize_t key_key_read(struct file *file, char __user *userbuf,
 			    size_t count, loff_t *ppos)
 {
 	struct ieee80211_key *key = file->private_data;
-	int i, res, bufsize = 2 * key->conf.keylen + 2;
+	int i, bufsize = 2 * key->conf.keylen + 2;
 	char *buf = kmalloc(bufsize, GFP_KERNEL);
 	char *p = buf;
+	ssize_t res;
+
+	if (!buf)
+		return -ENOMEM;
 
 	for (i = 0; i < key->conf.keylen; i++)
 		p += scnprintf(p, bufsize + buf - p, "%02x", key->conf.key[i]);