5.4-stable review patch. If anyone has any objections, please let me know.
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From: Krzysztof Kozlowski krzysztof.kozlowski@linaro.org
commit 257a2cd3eb578ee63d6bf90475dc4f4b16984139 upstream.
Runtime PM is enabled as one of the last steps of probe(), so all earlier gotos to "exit_free_device" label were not correct and were leading to unbalanced runtime PM disable depth.
Fixes: 6e2fe01dd6f9 ("can: c_can: move runtime PM enable/disable to c_can_platform") Cc: stable@vger.kernel.org Signed-off-by: Krzysztof Kozlowski krzysztof.kozlowski@linaro.org Reviewed-by: Vincent Mailhol mailhol.vincent@wanadoo.fr Link: https://patch.msgid.link/20250112-syscon-phandle-args-can-v1-1-314d9549906f@... Signed-off-by: Marc Kleine-Budde mkl@pengutronix.de Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/net/can/c_can/c_can_platform.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
--- a/drivers/net/can/c_can/c_can_platform.c +++ b/drivers/net/can/c_can/c_can_platform.c @@ -391,15 +391,16 @@ static int c_can_plat_probe(struct platf if (ret) { dev_err(&pdev->dev, "registering %s failed (err=%d)\n", KBUILD_MODNAME, ret); - goto exit_free_device; + goto exit_pm_runtime; }
dev_info(&pdev->dev, "%s device registered (regs=%p, irq=%d)\n", KBUILD_MODNAME, priv->base, dev->irq); return 0;
-exit_free_device: +exit_pm_runtime: pm_runtime_disable(priv->device); +exit_free_device: free_c_can_dev(dev); exit: dev_err(&pdev->dev, "probe failed\n");