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Date: Wed, 19 Aug 2020 10:33:09 +0800 From: Wang Hai <wanghai38@...wei.com> To: <ulli.kroll@...glemail.com>, <linus.walleij@...aro.org>, <davem@...emloft.net>, <kuba@...nel.org>, <mirq-linux@...e.qmqm.pl> CC: <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org> Subject: [PATCH net v2] net: gemini: Fix missing free_netdev() in error path of gemini_ethernet_port_probe() Replace alloc_etherdev_mq with devm_alloc_etherdev_mqs. In this way, when probe fails, netdev can be freed automatically. Fixes: 4d5ae32f5e1e ("net: ethernet: Add a driver for Gemini gigabit ethernet") Reported-by: Hulk Robot <hulkci@...wei.com> Signed-off-by: Wang Hai <wanghai38@...wei.com> --- v1->v2: Make use of devm_alloc_etherdev_mqs() to simplify the code drivers/net/ethernet/cortina/gemini.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/net/ethernet/cortina/gemini.c b/drivers/net/ethernet/cortina/gemini.c index 66e67b24a887..62e271aea4a5 100644 --- a/drivers/net/ethernet/cortina/gemini.c +++ b/drivers/net/ethernet/cortina/gemini.c @@ -2389,7 +2389,7 @@ static int gemini_ethernet_port_probe(struct platform_device *pdev) dev_info(dev, "probe %s ID %d\n", dev_name(dev), id); - netdev = alloc_etherdev_mq(sizeof(*port), TX_QUEUE_NUM); + netdev = devm_alloc_etherdev_mqs(dev, sizeof(*port), TX_QUEUE_NUM, TX_QUEUE_NUM); if (!netdev) { dev_err(dev, "Can't allocate ethernet device #%d\n", id); return -ENOMEM; @@ -2521,7 +2521,6 @@ static int gemini_ethernet_port_probe(struct platform_device *pdev) } port->netdev = NULL; - free_netdev(netdev); return ret; } @@ -2530,7 +2529,6 @@ static int gemini_ethernet_port_remove(struct platform_device *pdev) struct gemini_ethernet_port *port = platform_get_drvdata(pdev); gemini_port_remove(port); - free_netdev(port->netdev); return 0; } -- 2.17.1
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