From: Dan Carpenter <error27@gmail.com>
Date: Mon, 20 Dec 2010 03:03:15 +0000 (+0000)
Subject: vmxnet3: locking problems in xmit
X-Git-Tag: v2.6.38-rc1~476^2~121
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=f955e1415f381c7fa6ebe8630cd1fe5a694e8f4a;p=~shefty%2Frdma-dev.git

vmxnet3: locking problems in xmit

There were several paths that didn't release their locks.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Bhavesh Davda <bhavesh@vmware.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c
index 23154cf601e..939e5466c75 100644
--- a/drivers/net/vmxnet3/vmxnet3_drv.c
+++ b/drivers/net/vmxnet3/vmxnet3_drv.c
@@ -980,7 +980,7 @@ vmxnet3_tq_xmit(struct sk_buff *skb, struct vmxnet3_tx_queue *tq,
 		}
 	} else {
 		tq->stats.drop_hdr_inspect_err++;
-		goto drop_pkt;
+		goto unlock_drop_pkt;
 	}
 
 	/* fill tx descs related to addr & len */
@@ -1052,6 +1052,8 @@ vmxnet3_tq_xmit(struct sk_buff *skb, struct vmxnet3_tx_queue *tq,
 
 hdr_too_big:
 	tq->stats.drop_oversized_hdr++;
+unlock_drop_pkt:
+	spin_unlock_irqrestore(&tq->tx_lock, flags);
 drop_pkt:
 	tq->stats.drop_total++;
 	dev_kfree_skb(skb);