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[2a02:8389:41cf:e200:20b4:40af:8ae8:9c61]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-381c116b0eesm20288493f8f.106.2024.11.06.14.05.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 Nov 2024 14:05:36 -0800 (PST) From: Javier Carrasco Date: Wed, 06 Nov 2024 23:04:39 +0100 Subject: [PATCH 1/2] pinctrl: samsung: fix fwnode refcount cleanup if platform_get_irq_optional() fails Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241106-samsung-pinctrl-put-v1-1-de854e26dd03@gmail.com> References: <20241106-samsung-pinctrl-put-v1-0-de854e26dd03@gmail.com> In-Reply-To: <20241106-samsung-pinctrl-put-v1-0-de854e26dd03@gmail.com> To: Krzysztof Kozlowski , Sylwester Nawrocki , Alim Akhtar , Linus Walleij , Tomasz Figa , Thomas Abraham , Kyungmin Park Cc: linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, Javier Carrasco , stable@vger.kernel.org X-Mailer: b4 0.14-dev X-Developer-Signature: v=1; a=ed25519-sha256; t=1730930732; l=1350; i=javier.carrasco.cruz@gmail.com; s=20240312; h=from:subject:message-id; bh=oY8Y2FrGBH8KQICCKj314nalJMZPuXPc6PykZh8Vt1U=; b=U/E66BB9zFwfVf9lehclFknC50UuSS6b689jx+tQ1wE2/UOsLHRY7qyHAYqNxUflhSm5d6Ezy LuLJxM23r14BYZPI1Bezt4jPbCrMxGUQ5ym6t5L/ilC4tqfFmbwRyWR X-Developer-Key: i=javier.carrasco.cruz@gmail.com; a=ed25519; pk=lzSIvIzMz0JhJrzLXI0HAdPwsNPSSmEn6RbS+PTS9aQ= Commit 50ebd19e3585 ("pinctrl: samsung: drop pin banks references on error paths") fixed the pin bank references on the error paths of the probe function, but there is still an error path where this is not done. If samsung_pinctrl_get_soc_data() does not fail, the child references will have acquired, and they will need to be released in the error path of platform_get_irq_optional(), as it is done in the following error paths within the probe function. Replace the direct return in the error path with a goto instruction to the cleanup function. Cc: stable@vger.kernel.org Fixes: ab663789d697 ("pinctrl: samsung: Match pin banks with their device nodes") Signed-off-by: Javier Carrasco --- drivers/pinctrl/samsung/pinctrl-samsung.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.c b/drivers/pinctrl/samsung/pinctrl-samsung.c index bbedd980ec67..3ab5878b69d1 100644 --- a/drivers/pinctrl/samsung/pinctrl-samsung.c +++ b/drivers/pinctrl/samsung/pinctrl-samsung.c @@ -1272,7 +1272,7 @@ static int samsung_pinctrl_probe(struct platform_device *pdev) ret = platform_get_irq_optional(pdev, 0); if (ret < 0 && ret != -ENXIO) - return ret; + goto err_put_banks; if (ret > 0) drvdata->irq = ret; From patchwork Wed Nov 6 22:04:40 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Javier Carrasco X-Patchwork-Id: 2007724 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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[2a02:8389:41cf:e200:20b4:40af:8ae8:9c61]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-381c116b0eesm20288493f8f.106.2024.11.06.14.05.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 Nov 2024 14:05:38 -0800 (PST) From: Javier Carrasco Date: Wed, 06 Nov 2024 23:04:40 +0100 Subject: [PATCH 2/2] pinctrl: samsung: update child reference drop comment Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241106-samsung-pinctrl-put-v1-2-de854e26dd03@gmail.com> References: <20241106-samsung-pinctrl-put-v1-0-de854e26dd03@gmail.com> In-Reply-To: <20241106-samsung-pinctrl-put-v1-0-de854e26dd03@gmail.com> To: Krzysztof Kozlowski , Sylwester Nawrocki , Alim Akhtar , Linus Walleij , Tomasz Figa , Thomas Abraham , Kyungmin Park Cc: linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, Javier Carrasco X-Mailer: b4 0.14-dev X-Developer-Signature: v=1; a=ed25519-sha256; t=1730930732; l=1049; i=javier.carrasco.cruz@gmail.com; s=20240312; h=from:subject:message-id; bh=HZ84kAwePXH0iKsBrbTmJ8UZTEP9+KZqEVc88CIyNII=; b=GY6vOISzcv48AjyktwTvRi2p1sfYnHYxMpMijViPTLIYSWCBj4YfC+77AwLWNjcrZw5AN774I AJUXkmiayo/C8hgHn0p2gOJGfHYpceafRuVWOX8TmTl5w5PqmY565mo X-Developer-Key: i=javier.carrasco.cruz@gmail.com; a=ed25519; pk=lzSIvIzMz0JhJrzLXI0HAdPwsNPSSmEn6RbS+PTS9aQ= Commit 954445c72fc7 ("pinctrl: samsung: Drop redundant node parameter in samsung_banks_of_node_get()") modified the name of the function used to release child nodes from samsung_drop_banks_of_node() to samsung_banks_node_put(). Update the comment to use the current function name. Signed-off-by: Javier Carrasco --- drivers/pinctrl/samsung/pinctrl-samsung.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.c b/drivers/pinctrl/samsung/pinctrl-samsung.c index 3ab5878b69d1..cfced7afd4ca 100644 --- a/drivers/pinctrl/samsung/pinctrl-samsung.c +++ b/drivers/pinctrl/samsung/pinctrl-samsung.c @@ -1172,7 +1172,7 @@ static void samsung_banks_node_get(struct device *dev, struct samsung_pinctrl_dr else dev_warn(dev, "Missing node for bank %s - invalid DTB\n", bank->name); - /* child reference dropped in samsung_drop_banks_of_node() */ + /* child reference dropped in samsung_banks_node_put() */ } }