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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2017-05-10 22:40:06 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-04-13 19:50:05 +0200 |
| commit | d57f7ddcc20589ba05b30fc48dd42a40ece32e56 (patch) | |
| tree | 28cc6dc63c3180ef7b42ab8a14b1f818c7c4ef32 /tools/perf/scripts/python/failed-syscalls-by-pid.py | |
| parent | 0abaff3c28055046afffd0c2a3fd3ad702481991 (diff) | |
PowerCap: Fix an error code in powercap_register_zone()
[ Upstream commit 216c4e9db4c9d1d2a382b42880442dc632cd47d9 ]
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: 75d2364ea0ca (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: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/perf/scripts/python/failed-syscalls-by-pid.py')
0 files changed, 0 insertions, 0 deletions