modules: nic: check a skb before using it

a9d13782 · Alessandro Rubini · e6c0f208 · a9d13782
Commit a9d13782 authored Jan 24, 2012 by Alessandro Rubini
Hide whitespace changes
Inline Side-by-side

Showing with 4 additions and 0 deletions

nic-core.c kernel/wr_nic/nic-core.c +4 -0

No files found.
--- a/kernel/wr_nic/nic-core.c
+++ b/kernel/wr_nic/nic-core.c
@@ -414,6 +414,10 @@ static void wrn_tx_interrupt(struct wrn_dev *wrn)
 			return; /* no more */

 		skb = wrn->skb_desc[i].skb;
+		if (!skb) {
+			pr_err("no socket in descriptor %i\n");
+			return;
+		}
 		info = skb_shinfo(skb);

 		if (info->tx_flags & SKBTX_HW_TSTAMP) {