From ca1c73628f5bd0c1ef6e46073cc3be2450605b06 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Fri, 14 Oct 2022 12:25:06 +0300
Subject: [PATCH] phy: stm32: fix an error code in probe
Git-commit: ca1c73628f5bd0c1ef6e46073cc3be2450605b06
Patch-mainline: v6.1-rc5
References: git-fixes
If "index > usbphyc->nphys" is true then this returns success but it
should return -EINVAL.
Fixes: 94c358da3a05 ("phy: stm32: add support for STM32 USB PHY Controller (USBPHYC)")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Amelie Delaunay <amelie.delaunay@foss.st.com>
Link: https://lore.kernel.org/r/Y0kq8j6S+5nDdMpr@kili
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/phy/st/phy-stm32-usbphyc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/phy/st/phy-stm32-usbphyc.c b/drivers/phy/st/phy-stm32-usbphyc.c
index a98c911cc37a..5bb9647b078f 100644
--- a/drivers/phy/st/phy-stm32-usbphyc.c
+++ b/drivers/phy/st/phy-stm32-usbphyc.c
@@ -710,6 +710,8 @@ static int stm32_usbphyc_probe(struct platform_device *pdev)
ret = of_property_read_u32(child, "reg", &index);
if (ret || index > usbphyc->nphys) {
dev_err(&phy->dev, "invalid reg property: %d\n", ret);
+ if (!ret)
+ ret = -EINVAL;
goto put_child;
}
--
2.35.3