linux-kernel - [PATCH] Checks for Null return of skb_alloc in send

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Message-Id: <1403018673-4819-1-git-send-email-xerofoify@gmail.com>
Date:	Tue, 17 Jun 2014 11:24:33 -0400
From:	Nicholas Krause <xerofoify@...il.com>
To:	swise@...lsio.com
Cc:	roland@...nel.org, sean.hefty@...el.com, hal.rosenstock@...il.com,
	linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] Checks for Null return of skb_alloc in send_flowc

Signed-off-by: Nicholas Krause <xerofoify@...il.com>
---
 drivers/infiniband/hw/cxgb4/cm.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index 5e153f6..7e3d663 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) {
+		kfree_skb(skb);
+		pr_warn(MOD "%s failed to allocate skb.\n", __func__);
+	}
 	flowc = (struct fw_flowc_wr *)__skb_put(skb, flowclen);
 
 	flowc->op_to_nparams = cpu_to_be32(FW_WR_OP(FW_FLOWC_WR) |
-- 
1.9.1

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