From: Wang Hai wanghai38@huawei.com
[ Upstream commit bca9749b1aa23d964d3ab930938af66dbf887f15 ]
If try_toggle_control_gpio() failed in smc_drv_probe(), free_netdev(ndev) should be called to free the ndev created earlier. Otherwise, a memleak will occur.
Fixes: 7d2911c43815 ("net: smc91x: Fix gpios for device tree based booting") Reported-by: Hulk Robot hulkci@huawei.com Signed-off-by: Wang Hai wanghai38@huawei.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/smsc/smc91x.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/smsc/smc91x.c b/drivers/net/ethernet/smsc/smc91x.c index 96ac0d3af6f5b..f570a37c68c23 100644 --- a/drivers/net/ethernet/smsc/smc91x.c +++ b/drivers/net/ethernet/smsc/smc91x.c @@ -2294,7 +2294,7 @@ static int smc_drv_probe(struct platform_device *pdev) ret = try_toggle_control_gpio(&pdev->dev, &lp->power_gpio, "power", 0, 0, 100); if (ret) - return ret; + goto out_free_netdev;
/* * Optional reset GPIO configured? Minimum 100 ns reset needed @@ -2303,7 +2303,7 @@ static int smc_drv_probe(struct platform_device *pdev) ret = try_toggle_control_gpio(&pdev->dev, &lp->reset_gpio, "reset", 0, 0, 100); if (ret) - return ret; + goto out_free_netdev;
/* * Need to wait for optional EEPROM to load, max 750 us according