linux-kernel - [PATCH v2 1/3] phy: qcom-qmp: fix struct clk leak on probe errors

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Message-Id: <20220427063243.32576-2-johan+linaro@kernel.org>
Date:   Wed, 27 Apr 2022 08:32:41 +0200
From:   Johan Hovold <johan+linaro@...nel.org>
To:     Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        Johan Hovold <johan+linaro@...nel.org>, stable@...r.kernel.org,
        Vivek Gautam <vivek.gautam@...eaurora.org>
Subject: [PATCH v2 1/3] phy: qcom-qmp: fix struct clk leak on probe errors

Make sure to release the pipe clock reference in case of a late probe
error (e.g. probe deferral).

Fixes: e78f3d15e115 ("phy: qcom-qmp: new qmp phy driver for qcom-chipsets")
Cc: stable@...r.kernel.org      # 4.12
Cc: Vivek Gautam <vivek.gautam@...eaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@...aro.org>
Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
---
 drivers/phy/qualcomm/phy-qcom-qmp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c
index 7d2d1ab061f7..a84f7d1fc9b7 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp.c
@@ -6077,7 +6077,7 @@ int qcom_qmp_phy_create(struct device *dev, struct device_node *np, int id,
 	 * all phys that don't need this.
 	 */
 	snprintf(prop_name, sizeof(prop_name), "pipe%d", id);
-	qphy->pipe_clk = of_clk_get_by_name(np, prop_name);
+	qphy->pipe_clk = devm_get_clk_from_child(dev, np, prop_name);
 	if (IS_ERR(qphy->pipe_clk)) {
 		if (cfg->type == PHY_TYPE_PCIE ||
 		    cfg->type == PHY_TYPE_USB3) {
-- 
2.35.1