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Tue, 24 Feb 2026 07:31:06 -0800 (PST) Sender: Guenter Roeck Date: Tue, 24 Feb 2026 07:31:05 -0800 From: Guenter Roeck To: Bart Van Assche Cc: Peter Zijlstra , Ingo Molnar , Will Deacon , Boqun Feng , Waiman Long , linux-kernel@vger.kernel.org, Marco Elver , Christoph Hellwig , Steven Rostedt , Nick Desaulniers , Nathan Chancellor , Kees Cook , Jann Horn , Bart Van Assche , Frank Crawford , Jean Delvare , linux-hwmon@vger.kernel.org Subject: Re: [PATCH 14/62] hwmon: (it87) Check the it87_lock() return value Message-ID: References: <20260223220102.2158611-1-bart.vanassche@linux.dev> <20260223220102.2158611-15-bart.vanassche@linux.dev> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260223220102.2158611-15-bart.vanassche@linux.dev> On Mon, Feb 23, 2026 at 02:00:14PM -0800, Bart Van Assche wrote: > From: Bart Van Assche > > 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 > Cc: Guenter Roeck > Cc: Jean Delvare > 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 > --- > 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