Patch "ACPI / CPPC: set an error code on probe error path" has been added to the 4.9-stable tree

[<gregkh@linuxfoundation.org>]

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

    ACPI / CPPC: set an error code on probe error path

to the 4.9-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     acpi-cppc-set-an-error-code-on-probe-error-path.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 501634759d55a5b56967de6d9465acf02bbc3565 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Wed, 30 Nov 2016 22:22:54 +0300
Subject: ACPI / CPPC: set an error code on probe error path

From: Dan Carpenter <dan.carpenter@oracle.com>

commit 501634759d55a5b56967de6d9465acf02bbc3565 upstream.

We should return -EINVAL (instead of 0) if get_cpu_device() fails.

Fixes: 158c998ea44b (ACPI / CPPC: add sysfs support to compute delivered performance)
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/acpi/cppc_acpi.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/acpi/cppc_acpi.c
+++ b/drivers/acpi/cppc_acpi.c
@@ -784,8 +784,10 @@ int acpi_cppc_processor_probe(struct acp
 
 	/* Add per logical CPU nodes for reading its feedback counters. */
 	cpu_dev = get_cpu_device(pr->id);
-	if (!cpu_dev)
+	if (!cpu_dev) {
+		ret = -EINVAL;
 		goto out_free;
+	}
 
 	ret = kobject_init_and_add(&cpc_ptr->kobj, &cppc_ktype, &cpu_dev->kobj,
 			"acpi_cppc");


Patches currently in stable-queue which might be from dan.carpenter@oracle.com are

queue-4.9/block-cfq_cpd_alloc-should-use-gfp.patch
queue-4.9/drm-vc4-fix-a-couple-error-codes-in-vc4_cl_lookup_bos.patch
queue-4.9/drm-savage-dereferencing-an-error-pointer.patch
queue-4.9/acpi-cppc-set-an-error-code-on-probe-error-path.patch