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-rw-r--r--drivers/isdn/i4l/isdn_ppp.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/isdn/i4l/isdn_ppp.c b/drivers/isdn/i4l/isdn_ppp.c
index 175199088bf..26e46720fc1 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) {