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phy: HiSilicon: Fix copy and paste bug in error handling

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This should check ">pmctrl" instead of "->sysctrl".  This bug could
potentially lead to a crash if we dereference the error pointer.

Fixes: 73075011ff ("phy: HiSilicon: Add driver for Kirin 970 PCIe PHY")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/20211117074843.GE5237@kili
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Dan Carpenter 2021-11-17 10:48:43 +03:00 committed by Vinod Koul
parent a1b6c81ba4
commit f0ae8685b2
1 changed files with 2 additions and 2 deletions
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4
drivers/phy/hisilicon/phy-hi3670-pcie.c
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@ -757,8 +757,8 @@ static int hi3670_pcie_phy_get_resources(struct hi3670_pcie_phy *phy,
return PTR_ERR(phy->sysctrl);
phy->pmctrl = syscon_regmap_lookup_by_compatible("hisilicon,hi3670-pmctrl");
if (IS_ERR(phy->sysctrl))
return PTR_ERR(phy->sysctrl);
if (IS_ERR(phy->pmctrl))
return PTR_ERR(phy->pmctrl);
/* clocks */
phy->phy_ref_clk = devm_clk_get(dev, "phy_ref");