[PATCHv2] iw_cxgb4: in send_flowc(), handle a skb return from get_skb()

Commit Message

Nick June 16, 2014, 6:58 p.m. UTC

Patch

diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index 5e153f6..e0c43a3 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -457,6 +457,10 @@  static void send_flowc(struct c4iw_ep *ep, struct sk_buff *skb)
 	int i;
 
 	skb = get_skb(skb, flowclen, GFP_KERNEL);
+	if (!skb) {
+	pr_warn(MOD "%s failed to allocate skb.\n", __func__);
+		return;
+	}
 	flowc = (struct fw_flowc_wr *)__skb_put(skb, flowclen);
 
 	flowc->op_to_nparams = cpu_to_be32(FW_WR_OP(FW_FLOWC_WR) |