[PATCH 5.17 743/772] phy: qcom-qmp: fix struct clk leak on probe errors

Greg Kroah-Hartman
2022-06-07T21:54:34Z

From: Johan Hovold <johan+linaro@kernel.org>

commit f0a4bc38a12f5a0cc5ad68670d9480e91e6a94df upstream.

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@vger.kernel.org # 4.12
Cc: Vivek Gautam <vivek.gautam@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20220427063243.32576-2-johan+linaro@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/phy/qualcomm/phy-qcom-qmp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/phy/qualcomm/phy-qcom-qmp.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp.c
@@ -5890,7 +5890,7 @@ int qcom_qmp_phy_create(struct device *d
* 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) {