linux-kernel - [PATCH v2 1/3] pinctrl: th1520: Fix return value for unknown pin error

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Message-Id: <20241006-th1520-pinctrl-fixes-v2-1-b1822ae3a6d7@tenstorrent.com>
Date: Sun, 06 Oct 2024 10:43:21 -0700
From: Drew Fustini <dfustini@...storrent.com>
To: Drew Fustini <drew@...7.com>, Guo Ren <guoren@...nel.org>, 
 Fu Wei <wefu@...hat.com>, Linus Walleij <linus.walleij@...aro.org>
Cc: linux-riscv@...ts.infradead.org, linux-gpio@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Drew Fustini <dfustini@...storrent.com>, 
 Dan Carpenter <dan.carpenter@...aro.org>
Subject: [PATCH v2 1/3] pinctrl: th1520: Fix return value for unknown pin
 error

Fix th1520_pinctrl_dt_node_to_map() to set the return value before
jumping to free_configs when an unknown pin error occurs.

Reported-by: Dan Carpenter <dan.carpenter@...aro.org>
Closes: https://lore.kernel.org/r/202410022336.xyWlV0Tf-lkp@intel.com/
Signed-off-by: Drew Fustini <dfustini@...storrent.com>
---
 drivers/pinctrl/pinctrl-th1520.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/pinctrl/pinctrl-th1520.c b/drivers/pinctrl/pinctrl-th1520.c
index 9331f4462480..265a75a78d5a 100644
--- a/drivers/pinctrl/pinctrl-th1520.c
+++ b/drivers/pinctrl/pinctrl-th1520.c
@@ -499,6 +499,7 @@ static int th1520_pinctrl_dt_node_to_map(struct pinctrl_dev *pctldev,
 				nmaps = rollback;
 				dev_err(thp->pctl->dev, "%pOFn.%pOFn: unknown pin '%s'\n",
 					np, child, pinname);
+				ret = -EINVAL;
 				goto free_configs;
 			}
 

-- 
2.34.1