From: Bart Van Assche <bvanassche@acm.org>

Return early in it87_resume() if it87_lock() fails instead of ignoring the
return value of that function. This patch suppresses a Clang thread-safety
warning.

Cc: Frank Crawford <frank@crawford.emu.id.au>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Jean Delvare <jdelvare@suse.com>
Cc: linux-hwmon@vger.kernel.org
Fixes: 376e1a937b30 ("hwmon: (it87) Add calls to smbus_enable/smbus_disable as required")
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
 drivers/hwmon/it87.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index e233aafa8856..8e3935089fca 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -3593,7 +3593,9 @@ static int it87_resume(struct device *dev)
 
 	it87_resume_sio(pdev);
 
-	it87_lock(data);
+	int err = it87_lock(data);
+	if (err)
+		return err;
 
 	it87_check_pwm(dev);
 	it87_check_limit_regs(data);

On Mon, Feb 23, 2026 at 02:00:14PM -0800, Bart Van Assche wrote:
> From: Bart Van Assche <bvanassche@acm.org>
> 
> Return early in it87_resume() if it87_lock() fails instead of ignoring the
> return value of that function. This patch suppresses a Clang thread-safety
> warning.
> 
> Cc: Frank Crawford <frank@crawford.emu.id.au>
> Cc: Guenter Roeck <linux@roeck-us.net>
> Cc: Jean Delvare <jdelvare@suse.com>
> Cc: linux-hwmon@vger.kernel.org
> Fixes: 376e1a937b30 ("hwmon: (it87) Add calls to smbus_enable/smbus_disable as required")
> Signed-off-by: Bart Van Assche <bvanassche@acm.org>
> ---
>  drivers/hwmon/it87.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
> index e233aafa8856..8e3935089fca 100644
> --- a/drivers/hwmon/it87.c
> +++ b/drivers/hwmon/it87.c
> @@ -3593,7 +3593,9 @@ static int it87_resume(struct device *dev)
>  
>  	it87_resume_sio(pdev);
>  
> -	it87_lock(data);
> +	int err = it87_lock(data);
> +	if (err)
> +		return err;

checkpatch: missing empty line after declarations.

Oh, never mind, I'll fix that up and declare ret at the beginning of the
function, to match the rest of the driver.

Applied.

Guenter