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From: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
To: davem@davemloft.net
Cc: netdev@vger.kernel.org, ron.mercer@qlogic.com,
	Dept_NX_Linux_NIC_Driver@qlogic.com,
	Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Subject: [PATCH net 4/7] qlge: Fixed double pci free upon tx_ring->q allocation failure.
Date: Mon,  2 Jul 2012 19:41:51 -0400	[thread overview]
Message-ID: <1341272514-5156-5-git-send-email-jitendra.kalsaria@qlogic.com> (raw)
In-Reply-To: <1341272514-5156-1-git-send-email-jitendra.kalsaria@qlogic.com>

From: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>

Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
---
 drivers/net/ethernet/qlogic/qlge/qlge_main.c |   14 +++++++-------
 1 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_main.c b/drivers/net/ethernet/qlogic/qlge/qlge_main.c
index cdbc860..9ecd15f 100644
--- a/drivers/net/ethernet/qlogic/qlge/qlge_main.c
+++ b/drivers/net/ethernet/qlogic/qlge/qlge_main.c
@@ -2701,20 +2701,20 @@ static int ql_alloc_tx_resources(struct ql_adapter *qdev,
 	    pci_alloc_consistent(qdev->pdev, tx_ring->wq_size,
 				 &tx_ring->wq_base_dma);
 
-	if ((tx_ring->wq_base == NULL) ||
-	    tx_ring->wq_base_dma & WQ_ADDR_ALIGN) {
-		netif_err(qdev, ifup, qdev->ndev, "tx_ring alloc failed.\n");
-		return -ENOMEM;
-	}
+	if (!tx_ring->wq_base || tx_ring->wq_base_dma & WQ_ADDR_ALIGN)
+		goto err;
+
 	tx_ring->q =
 	    kmalloc(tx_ring->wq_len * sizeof(struct tx_ring_desc), GFP_KERNEL);
-	if (tx_ring->q == NULL)
+	if (!tx_ring->q)
 		goto err;
 
 	return 0;
 err:
 	pci_free_consistent(qdev->pdev, tx_ring->wq_size,
-			    tx_ring->wq_base, tx_ring->wq_base_dma);
+			tx_ring->wq_base, tx_ring->wq_base_dma);
+	tx_ring->wq_base = NULL;
+	netif_err(qdev, ifup, qdev->ndev, "tx_ring alloc failed.\n");
 	return -ENOMEM;
 }
 
-- 
1.7.1

  parent reply	other threads:[~2012-07-02 23:58 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-02 23:41 [PATCH net 0/7] qlge: bug fix Jitendra Kalsaria
2012-07-02 23:41 ` [PATCH net 1/7] qlge: Fixed packet transmit errors due to potential driver errors Jitendra Kalsaria
2012-07-03  0:18   ` David Miller
2012-07-03  1:30     ` Jitendra Kalsaria
2012-07-03  1:38       ` David Miller
2012-07-03  1:41         ` David Miller
2012-07-03  3:28           ` Krishna Kumar2
2012-07-03 19:38           ` Jitendra Kalsaria
2012-07-03 20:27             ` Eric Dumazet
2012-07-03 22:22               ` Francois Romieu
2012-07-03 22:33               ` Jitendra Kalsaria
2012-07-03 23:14             ` David Miller
2012-07-02 23:41 ` [PATCH net 2/7] qlge: Stand-up card should not report supporting wol Jitendra Kalsaria
2012-07-02 23:41 ` [PATCH net 3/7] qlge: Garbage values shown in extra info during selftest Jitendra Kalsaria
2012-07-05  7:23   ` David Miller
2012-07-05 17:13     ` Jitendra Kalsaria
2012-07-02 23:41 ` Jitendra Kalsaria [this message]
2012-07-03  1:22   ` [PATCH net 4/7] qlge: Fixed double pci free upon tx_ring->q allocation failure Ben Hutchings
2012-07-03  5:56     ` Jitendra Kalsaria
2012-07-02 23:41 ` [PATCH net 5/7] qlge: Categorize receive frame errors from firmware Jitendra Kalsaria
2012-07-02 23:41 ` [PATCH net 6/7] qlge: refactoring of ethtool stats Jitendra Kalsaria
2012-07-03  1:24   ` Ben Hutchings
2012-07-03  1:26     ` David Miller
2012-07-02 23:41 ` [PATCH net 7/7] qlge: Bumped driver version to 1.00.00.31 Jitendra Kalsaria

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