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authorYang Yingliang <yangyingliang@huawei.com>2021-09-09 10:21:49 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-11-18 21:16:56 +0300
commitd0379ee4a864b5aa0f864e4c3f0b0b1bace6e364 (patch)
treeb9805e30cf4c90ee128d4ede0a5209f276a96f6d /drivers/phy
parent34f5e44c8f2dbe55f42ff238d6b16094fa22aaf9 (diff)
downloadlinux-d0379ee4a864b5aa0f864e4c3f0b0b1bace6e364.tar.xz
phy: Sparx5 Eth SerDes: Fix return value check in sparx5_serdes_probe()
[ Upstream commit b4dc97ab0a629eda8bda20d96ef47dac08a505d9 ] In case of error, the function devm_ioremap() returns NULL pointer not ERR_PTR(). The IS_ERR() test in the return value check should be replaced with NULL test. Fixes: 2ff8a1eeb5aa ("phy: Add Sparx5 ethernet serdes PHY driver") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Link: https://lore.kernel.org/r/20210909072149.2934047-1-yangyingliang@huawei.com Signed-off-by: Vinod Koul <vkoul@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/phy')
-rw-r--r--drivers/phy/microchip/sparx5_serdes.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/phy/microchip/sparx5_serdes.c b/drivers/phy/microchip/sparx5_serdes.c
index 4076580fc2cd..ab1b0986aa67 100644
--- a/drivers/phy/microchip/sparx5_serdes.c
+++ b/drivers/phy/microchip/sparx5_serdes.c
@@ -2475,10 +2475,10 @@ static int sparx5_serdes_probe(struct platform_device *pdev)
return -EINVAL;
}
iomem = devm_ioremap(priv->dev, iores->start, resource_size(iores));
- if (IS_ERR(iomem)) {
+ if (!iomem) {
dev_err(priv->dev, "Unable to get serdes registers: %s\n",
iores->name);
- return PTR_ERR(iomem);
+ return -ENOMEM;
}
for (idx = 0; idx < ARRAY_SIZE(sparx5_serdes_iomap); idx++) {
struct sparx5_serdes_io_resource *iomap = &sparx5_serdes_iomap[idx];