[PATCH] net: qlogic: Fix memory leak in ql_alloc_large_buffers

[Navid Emamdoost]

In ql_alloc_large_buffers, a new skb is allocated via netdev_alloc_skb.
This skb should be released if pci_dma_mapping_error fails.

Fixes: 0f8ab89e825f ("qla3xxx: Check return code from pci_map_single() in 
ql_release_to_lrg_buf_free_list(), ql_populate_free_queue(), 
ql_alloc_large_buffers(), and ql3xxx_send()")
Signed-off-by: Navid Emamdoost <navid.emamdo...@gmail.com>
---
 drivers/net/ethernet/qlogic/qla3xxx.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/qlogic/qla3xxx.c 
b/drivers/net/ethernet/qlogic/qla3xxx.c
index 457444894d80..b4b8ba00ee01 100644
--- a/drivers/net/ethernet/qlogic/qla3xxx.c
+++ b/drivers/net/ethernet/qlogic/qla3xxx.c
@@ -2787,6 +2787,7 @@ static int ql_alloc_large_buffers(struct ql3_adapter 
*qdev)
                                netdev_err(qdev->ndev,
                                           "PCI mapping failed with error: 
%d\n",
                                           err);
+                               dev_kfree_skb_irq(skb);
                                ql_free_large_buffers(qdev);
                                return -ENOMEM;
                        }
-- 
2.17.1