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| author | Zhang Changzhong <zhangchangzhong@huawei.com> | 2022-12-04 14:09:08 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-12-14 11:26:15 +0100 |
| commit | cb1e293f858e5e1152b8791047ed4bdaaf392189 (patch) | |
| tree | a3782ae3ea8d3202d8a3b13f0aad0a3210145d55 | |
| parent | abf037ca3025b30dc20d97a40d922a4e0a7cafe3 (diff) | |
| download | omap-cb1e293f858e5e1152b8791047ed4bdaaf392189.tar.gz | |
ethernet: aeroflex: fix potential skb leak in greth_init_rings()
[ 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@huawei.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/net/ethernet/aeroflex/greth.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/aeroflex/greth.c b/drivers/net/ethernet/aeroflex/greth.c index a20e95b39cf7..4df8da8f5e7e 100644 --- a/drivers/net/ethernet/aeroflex/greth.c +++ b/drivers/net/ethernet/aeroflex/greth.c @@ -262,6 +262,7 @@ 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; |