| Message ID | 20220408032246.3089403-1-yangyingliang@huawei.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [-next] net: ethernet: mtk_eth_soc: fix return value check in mtk_wed_add_hw() | expand |
Hello: This patch was applied to netdev/net-next.git (master) by David S. Miller <davem@davemloft.net>: On Fri, 8 Apr 2022 11:22:46 +0800 you wrote: > If syscon_regmap_lookup_by_phandle() fails, it never return NULL pointer, > change the check to IS_ERR(). > > Fixes: 804775dfc288 ("net: ethernet: mtk_eth_soc: add support for Wireless Ethernet Dispatch (WED)") > Reported-by: Hulk Robot <hulkci@huawei.com> > Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> > > [...] Here is the summary with links: - [-next] net: ethernet: mtk_eth_soc: fix return value check in mtk_wed_add_hw() https://git.kernel.org/netdev/net-next/c/b559edfaf3f3 You are awesome, thank you!
diff --git a/drivers/net/ethernet/mediatek/mtk_wed.c b/drivers/net/ethernet/mediatek/mtk_wed.c index f0eacf819cd9..5d510ac24f2a 100644 --- a/drivers/net/ethernet/mediatek/mtk_wed.c +++ b/drivers/net/ethernet/mediatek/mtk_wed.c @@ -813,7 +813,7 @@ void mtk_wed_add_hw(struct device_node *np, struct mtk_eth *eth, return; regs = syscon_regmap_lookup_by_phandle(np, NULL); - if (!regs) + if (IS_ERR(regs)) return; rcu_assign_pointer(mtk_soc_wed_ops, &wed_ops);
If syscon_regmap_lookup_by_phandle() fails, it never return NULL pointer, change the check to IS_ERR(). Fixes: 804775dfc288 ("net: ethernet: mtk_eth_soc: add support for Wireless Ethernet Dispatch (WED)") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> --- drivers/net/ethernet/mediatek/mtk_wed.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)