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power: test_power: correctly handle empty writes
authorSasha Levin <sasha.levin@oracle.com>
Tue, 22 Dec 2015 17:43:36 +0000 (12:43 -0500)
committerBen Hutchings <ben@decadent.org.uk>
Sat, 13 Feb 2016 10:34:07 +0000 (10:34 +0000)
commit 6b9140f39c2aaf76791197fbab0839c0e4af56e8 upstream.

Writing 0 length data into test_power makes it access an invalid array
location and kill the system.

Fixes: f17ef9b2d ("power: Make test_power driver more dynamic.")
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
drivers/power/test_power.c patch | blob | history

diff --cc drivers/power/test_power.c
Simple merge
Pandora Kernel Repository