[PATCH] usb: core: don't power off roothub PHYs if phy_set_mode() fails
From: Gabor Juhos
Date: Wed Feb 18 2026 - 15:21:32 EST
Remove the error path from the usb_phy_roothub_set_mode() function.
The code is clearly wrong, because phy_set_mode() calls can't be
balanced with phy_power_off() calls.
Additionally, the usb_phy_roothub_set_mode() function is called only
from usb_add_hcd() before it powers on the PHYs, so powering off those
makes no sense anyway.
Presumably, the code is copy-pasted from the phy_power_on() function
without adjusting the error handling.
Cc: stable@xxxxxxxxxxxxxxx # v5.1+
Fixes: b97a31348379 ("usb: core: comply to PHY framework")
Signed-off-by: Gabor Juhos <j4g8y7@xxxxxxxxx>
---
drivers/usb/core/phy.c | 8 +-------
1 file changed, 1 insertion(+), 7 deletions(-)
diff --git a/drivers/usb/core/phy.c b/drivers/usb/core/phy.c
index faa20054ad5a1c3f704cb9f70b5049cefdab804e..4bba1c2757406a35bf19eb7984a2807212374d18 100644
--- a/drivers/usb/core/phy.c
+++ b/drivers/usb/core/phy.c
@@ -200,16 +200,10 @@ int usb_phy_roothub_set_mode(struct usb_phy_roothub *phy_roothub,
list_for_each_entry(roothub_entry, head, list) {
err = phy_set_mode(roothub_entry->phy, mode);
if (err)
- goto err_out;
+ return err;
}
return 0;
-
-err_out:
- list_for_each_entry_continue_reverse(roothub_entry, head, list)
- phy_power_off(roothub_entry->phy);
-
- return err;
}
EXPORT_SYMBOL_GPL(usb_phy_roothub_set_mode);
---
base-commit: 05f7e89ab9731565d8a62e3b5d1ec206485eeb0b
change-id: 20260218-usb-phy-poweroff-fix-c354b6ba142c
Best regards,
--
Gabor Juhos <j4g8y7@xxxxxxxxx>