From f5c4441cd80123c0f13fca75afc811c9c2b64add Mon Sep 17 00:00:00 2001
From: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Date: Tue, 10 Jul 2012 14:57:36 +0000
Subject: [PATCH] qlge: Fixed double pci free upon tx_ring->q allocation
failure.
Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/qlogic/qlge/qlge_main.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_main.c b/drivers/net/ethernet/qlogic/qlge/qlge_main.c
index 5cfba6aa1b92..bccbc4e2b31a 100644
--- a/drivers/net/ethernet/qlogic/qlge/qlge_main.c
+++ b/drivers/net/ethernet/qlogic/qlge/qlge_main.c
@@ -2708,10 +2708,9 @@ static int ql_alloc_tx_resources(struct ql_adapter *qdev,
&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;
- }
+ tx_ring->wq_base_dma & WQ_ADDR_ALIGN)
+ goto pci_alloc_err;
+
tx_ring->q =
kmalloc(tx_ring->wq_len * sizeof(struct tx_ring_desc), GFP_KERNEL);
if (tx_ring->q == NULL)
@@ -2721,6 +2720,9 @@ static int ql_alloc_tx_resources(struct ql_adapter *qdev,
err:
pci_free_consistent(qdev->pdev, tx_ring->wq_size,
tx_ring->wq_base, tx_ring->wq_base_dma);
+ tx_ring->wq_base = NULL;
+pci_alloc_err:
+ netif_err(qdev, ifup, qdev->ndev, "tx_ring alloc failed.\n");
return -ENOMEM;
}
--
2.20.1