This is a note to let you know that I've just added the patch titled

PM / devfreq: Propagate error from devfreq_add_device()

to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...

The filename of the patch is: pm-devfreq-propagate-error-from-devfreq_add_device.patch and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.

From d1bf2d30728f310f72296b54f0651ecdb09cbb12 Mon Sep 17 00:00:00 2001

From: Bjorn Andersson bjorn.andersson@linaro.org Date: Sun, 5 Nov 2017 21:27:41 -0800 Subject: PM / devfreq: Propagate error from devfreq_add_device()

From: Bjorn Andersson bjorn.andersson@linaro.org

commit d1bf2d30728f310f72296b54f0651ecdb09cbb12 upstream.

Propagate the error of devfreq_add_device() in devm_devfreq_add_device() rather than statically returning ENOMEM. This makes it slightly faster to pinpoint the cause of a returned error.

Fixes: 8cd84092d35e ("PM / devfreq: Add resource-managed function for devfreq device") Cc: stable@vger.kernel.org Acked-by: Chanwoo Choi cw00.choi@samsung.com Signed-off-by: Bjorn Andersson bjorn.andersson@linaro.org Signed-off-by: MyungJoo Ham myungjoo.ham@samsung.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org

--- drivers/devfreq/devfreq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/devfreq/devfreq.c +++ b/drivers/devfreq/devfreq.c @@ -684,7 +684,7 @@ struct devfreq *devm_devfreq_add_device( devfreq = devfreq_add_device(dev, profile, governor_name, data); if (IS_ERR(devfreq)) { devres_free(ptr); - return ERR_PTR(-ENOMEM); + return devfreq; }

*ptr = devfreq;

Patches currently in stable-queue which might be from bjorn.andersson@linaro.org are

queue-4.9/pm-devfreq-propagate-error-from-devfreq_add_device.patch queue-4.9/arm64-dts-msm8916-correct-ipc-references-for-smsm.patch