From: Navid Emamdoost <navid.emamdoost@gmail.com>
Date: Fri, 4 Oct 2019 15:24:39 -0500
Subject: net: qlogic: Fix memory leak in ql_alloc_large_buffers
Git-commit: 1acb8f2a7a9f10543868ddd737e37424d5c36cf4
Patch-mainline: 5.4-rc2
References: networking-stable-19_10_05
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.emamdoost@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
drivers/net/ethernet/qlogic/qla3xxx.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/net/ethernet/qlogic/qla3xxx.c
+++ b/drivers/net/ethernet/qlogic/qla3xxx.c
@@ -2789,6 +2789,7 @@ static int ql_alloc_large_buffers(struct
netdev_err(qdev->ndev,
"PCI mapping failed with error: %d\n",
err);
+ dev_kfree_skb_irq(skb);
ql_free_large_buffers(qdev);
return -ENOMEM;
}