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Tue, 10 Jun 2025 07:38:29 -0700 (PDT) From: Bartosz Golaszewski Date: Tue, 10 Jun 2025 16:38:18 +0200 Subject: [PATCH RFC/RFT 03/15] gpio: sysfs: call mutex_destroy() in gpiod_unexport() 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="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250610-gpio-sysfs-chip-export-v1-3-a8c7aa4478b1@linaro.org> References: <20250610-gpio-sysfs-chip-export-v1-0-a8c7aa4478b1@linaro.org> In-Reply-To: <20250610-gpio-sysfs-chip-export-v1-0-a8c7aa4478b1@linaro.org> To: Ahmad Fatoum , Kent Gibson , =?utf-8?q?Jan_L=C3=BCbbe?= , Marek Vasut , Geert Uytterhoeven , Linus Walleij , Bartosz Golaszewski Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, Bartosz Golaszewski X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=753; i=bartosz.golaszewski@linaro.org; h=from:subject:message-id; bh=RD/CHZwJ+oTe3UN6/TzEIj3HviHoO043bsyJSK0ioIo=; b=owEBbQKS/ZANAwAKARGnLqAUcddyAcsmYgBoSENgBD1Mcsx5nGcQWupj1LesrLbb3He40WwEO 59YvulbaqCJAjMEAAEKAB0WIQQWnetsC8PEYBPSx58Rpy6gFHHXcgUCaEhDYAAKCRARpy6gFHHX ctnAD/0Uy5oh/cOhkErWApxCGt2fUcN2smJwB8w5shl5w1uko9j6R3jyYZHKxMFHebGlcpS511F ZwCgF93nMkndVYmp8qnUNIIIJjjTa71lPnw4xLqqPOluDAjMissvfgTHB60hC9PVz6lk+AIcFcm YcSfUSA4zHXQSbXfuu2IzI+T7mZTCy9y5VUw5mGoyufEWzPrcxINufDGWs1+uWUcyxkyagl+WtO Q+ZRUEz72lFcG+8/DzyWy4UJn8EuyP/fU7aqk2Edxxc88qXCnYX6aSQbOAODztxgUfOZWMqe0j2 fviyE9QJI3nNV5C+1R+izsz+BYCBAdav0WWXkw3Gx95ucfjFE+91U1kC6f0hfnewFuiWGWOD+h3 Hn/mFdEBldRDnoEsXGGyddSq/0S/jqglTRT4OHn7M50BU27/jsLCJns3K1cS+uT/JKHrkzE5rxw vsfVOXATQQccSmD9kMKHylcZ4WCQcw/sXRQvMKD9uxzcC74zAtCLbQe2fGe6kOuDM3viDEY/TdA 0gd9G7vctG3LWkR6c9q3AMHkIFiLrncTntqfO6gloVx3s2xhjy4hiIzB5CTv/aRYyqxRz6RoBFS pFhyVt6r3Hs14sZi5ZjMG4O/RYCHnQhmPHPhxcX1VzN92hDcTlJoSI597fGgHulFASVsZcO1MoC NdalhrgKRg6zxMg== X-Developer-Key: i=bartosz.golaszewski@linaro.org; a=openpgp; fpr=169DEB6C0BC3C46013D2C79F11A72EA01471D772 From: Bartosz Golaszewski While not critical, it's useful to have the corresponding call to mutex_destroy() whenever we use mutex_init(). Add the call right before kfreeing the GPIO data. Signed-off-by: Bartosz Golaszewski Reviewed-by: Linus Walleij --- drivers/gpio/gpiolib-sysfs.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpio/gpiolib-sysfs.c b/drivers/gpio/gpiolib-sysfs.c index 4a3aa09dad9d54dc77f28d596723fd5546cb3ae8..cd3381a4bc93a94b9a975248ae3= e4bd8c2a3eb4b 100644 --- a/drivers/gpio/gpiolib-sysfs.c +++ b/drivers/gpio/gpiolib-sysfs.c @@ -713,6 +713,7 @@ void gpiod_unexport(struct gpio_desc *desc) } =20 put_device(dev); + mutex_destroy(&data->mutex); kfree(data); } EXPORT_SYMBOL_GPL(gpiod_unexport); --=20 2.48.1