1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/isdn/i4l/isdn_ppp.c b/drivers/isdn/i4l/isdn_ppp.c
index 175199088bf4..26e46720fc1c 100644
--- a/drivers/isdn/i4l/isdn_ppp.c
+++ b/drivers/isdn/i4l/isdn_ppp.c
@@ -2536,6 +2536,11 @@ static struct sk_buff *isdn_ppp_decompress(struct sk_buff *skb,struct ippp_struc
                 rsparm.maxdlen = IPPP_RESET_MAXDATABYTES;
   
                 skb_out = dev_alloc_skb(is->mru + PPP_HDRLEN);
+                if (!skb_out) {
+                        kfree_skb(skb);
+                        printk(KERN_ERR "ippp: decomp memory allocation failure\n");
+                        return NULL;
+                }
                 len = ipc->decompress(stat, skb, skb_out, &rsparm);
                 kfree_skb(skb);
                 if (len <= 0) {