From: Zhang Changzhong zhangchangzhong@huawei.com
[ Upstream commit 063a932b64db3317ec020c94466fe52923a15f60 ]
The greth_init_rings() function won't free the newly allocated skb when dma_mapping_error() returns error, so add dev_kfree_skb() to fix it.
Compile tested only.
Fixes: d4c41139df6e ("net: Add Aeroflex Gaisler 10/100/1G Ethernet MAC driver") Signed-off-by: Zhang Changzhong zhangchangzhong@huawei.com Reviewed-by: Leon Romanovsky leonro@nvidia.com Link: https://lore.kernel.org/r/1670134149-29516-1-git-send-email-zhangchangzhong@... Signed-off-by: Paolo Abeni pabeni@redhat.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/aeroflex/greth.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/net/ethernet/aeroflex/greth.c b/drivers/net/ethernet/aeroflex/greth.c index f4f50b3a472e..0d56cb4f5dd9 100644 --- a/drivers/net/ethernet/aeroflex/greth.c +++ b/drivers/net/ethernet/aeroflex/greth.c @@ -258,6 +258,7 @@ static int greth_init_rings(struct greth_private *greth) if (dma_mapping_error(greth->dev, dma_addr)) { if (netif_msg_ifup(greth)) dev_err(greth->dev, "Could not create initial DMA mapping\n"); + dev_kfree_skb(skb); goto cleanup; } greth->rx_skbuff[i] = skb;