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linux/drivers/powercap
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Dan Carpenter 9b4dc7aa7a PowerCap: Fix an error code in powercap_register_zone() 
commit 216c4e9db4 upstream.

In the current code we accidentally return the successful result from
idr_alloc() instead of a negative error pointer.  The caller is looking
for an error pointer and so it treats the returned value as a valid
pointer.

This one might be a bit serious because if it lets people get around the
kernel's protection for remapping NULL.  I'm not sure.

Fixes: 75d2364ea0 (PowerCap: Add class driver)
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
History 2017-09-15 18:29:35 +01:00
..
intel_rapl.c powercap / RAPL: fix BIOS lock check 2016-01-25 10:43:36 +00:00
Kconfig PowerCap: Introduce Intel RAPL power capping driver 2013-10-18 13:29:52 +02:00
Makefile PowerCap: Introduce Intel RAPL power capping driver 2013-10-18 13:29:52 +02:00
powercap_sys.c PowerCap: Fix an error code in powercap_register_zone() 2017-09-15 18:29:35 +01:00