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phy: eswin: Fix incorrect error check in probe()

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devm_ioremap() returns NULL on failure, not an ERR_PTR.
Using IS_ERR() to check the return value is incorrect.

Fix this by checking for NULL and returning -ENOMEM.

Fixes: 67ee9ccaa3 ("phy: eswin: Create eswin directory and add EIC7700 SATA PHY driver")
Reported-by: Dan Carpenter <error27@gmail.com>
Closes: https://lore.kernel.org/linux-phy/adjNbuWoc1B-3Ok1@stanley.mountain/
Signed-off-by: Yulin Lu <luyulin@eswincomputing.com>
Link: https://patch.msgid.link/20260413070033.128-1-luyulin@eswincomputing.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Yulin Lu
2026-04-13 15:00:33 +08:00
committed by Vinod Koul
parent 80305760d7
commit c2cd08e8f1
1 changed files with 2 additions and 2 deletions
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4
drivers/phy/eswin/phy-eic7700-sata.c
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@@ -216,8 +216,8 @@ static int eic7700_sata_phy_probe(struct platform_device *pdev)
return -ENOENT;
regs = devm_ioremap(dev, res->start, resource_size(res));
if (IS_ERR(regs))
return PTR_ERR(regs);
if (!regs)
return -ENOMEM;
sata_phy->regmap = devm_regmap_init_mmio
(dev, regs, &eic7700_sata_phy_regmap_config);