Blob Blame History Raw
From cfc826c88a79e22ba5d8001556eb2c7efd8a01b6 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Wed, 12 Jan 2022 14:17:24 +0300
Subject: [PATCH] phy: stm32: fix a refcount leak in stm32_usbphyc_pll_enable()
Git-commit: cfc826c88a79e22ba5d8001556eb2c7efd8a01b6
Patch-mainline: v5.17-rc4
References: git-fixes

This error path needs to decrement "usbphyc->n_pll_cons.counter" before
returning.

Fixes: 5b1af71280ab ("phy: stm32: rework PLL Lock detection")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20220112111724.GB3019@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, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/phy/st/phy-stm32-usbphyc.c b/drivers/phy/st/phy-stm32-usbphyc.c
index 2ce9bfd783d4..007a23c78d56 100644
--- a/drivers/phy/st/phy-stm32-usbphyc.c
+++ b/drivers/phy/st/phy-stm32-usbphyc.c
@@ -304,7 +304,7 @@ static int stm32_usbphyc_pll_enable(struct stm32_usbphyc *usbphyc)
 
 		ret = __stm32_usbphyc_pll_disable(usbphyc);
 		if (ret)
-			return ret;
+			goto dec_n_pll_cons;
 	}
 
 	ret = stm32_usbphyc_regulators_enable(usbphyc);
-- 
2.31.1