From: Fugang Duan fugang.duan@nxp.com
[ Upstream commit 619fee9eb13b5d29e4267cb394645608088c28a8 ]
If the memory allocated for cbd_base is failed, it should free the memory allocated for the queues, otherwise it causes memory leak.
And if the memory allocated for the queues is failed, it can return error directly.
Fixes: 59d0f7465644 ("net: fec: init multi queue date structure") Signed-off-by: Fugang Duan fugang.duan@nxp.com Signed-off-by: Joakim Zhang qiangqing.zhang@nxp.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Yang Yingliang yangyingliang@huawei.com --- drivers/net/ethernet/freescale/fec_main.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index 7d1a669416f20..6b9eada1feb21 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -3221,7 +3221,9 @@ static int fec_enet_init(struct net_device *ndev) return ret; }
- fec_enet_alloc_queue(ndev); + ret = fec_enet_alloc_queue(ndev); + if (ret) + return ret;
bd_size = (fep->total_tx_ring_size + fep->total_rx_ring_size) * dsize;
@@ -3229,7 +3231,8 @@ static int fec_enet_init(struct net_device *ndev) cbd_base = dmam_alloc_coherent(&fep->pdev->dev, bd_size, &bd_dma, GFP_KERNEL); if (!cbd_base) { - return -ENOMEM; + ret = -ENOMEM; + goto free_queue_mem; }
memset(cbd_base, 0, bd_size); @@ -3309,6 +3312,10 @@ static int fec_enet_init(struct net_device *ndev) fec_enet_update_ethtool_stats(ndev);
return 0; + +free_queue_mem: + fec_enet_free_queue(ndev); + return ret; }
#ifdef CONFIG_OF