5.15-stable review patch. If anyone has any objections, please let me know.
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From: Dan Carpenter dan.carpenter@linaro.org
[ Upstream commit 0cb4b1b97041d8a1f773425208ded253c1cb5869 ]
The device_del() call matches with the device_add() but we also need to call put_device() to trigger the qcom_iris_release().
Fixes: 1fcef985c8bd ("remoteproc: qcom: wcnss: Fix race with iris probe") Signed-off-by: Dan Carpenter dan.carpenter@linaro.org Reviewed-by: Dmitry Baryshkov dmitry.baryshkov@oss.qualcomm.com Link: https://lore.kernel.org/r/4604f7e0-3217-4095-b28a-3ff8b5afad3a@stanley.mount... Signed-off-by: Bjorn Andersson andersson@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/remoteproc/qcom_wcnss_iris.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/remoteproc/qcom_wcnss_iris.c b/drivers/remoteproc/qcom_wcnss_iris.c index 09720ddddc857..7c7b688eda1d9 100644 --- a/drivers/remoteproc/qcom_wcnss_iris.c +++ b/drivers/remoteproc/qcom_wcnss_iris.c @@ -196,6 +196,7 @@ struct qcom_iris *qcom_iris_probe(struct device *parent, bool *use_48mhz_xo)
err_device_del: device_del(&iris->dev); + put_device(&iris->dev);
return ERR_PTR(ret); } @@ -203,4 +204,5 @@ struct qcom_iris *qcom_iris_probe(struct device *parent, bool *use_48mhz_xo) void qcom_iris_remove(struct qcom_iris *iris) { device_del(&iris->dev); + put_device(&iris->dev); }