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hwmon: (applesmc) Limit key length in warning messages
authorHenrik Rydberg <rydberg@euromail.se>
Thu, 7 Jun 2012 08:54:29 +0000 (04:54 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 16 Jul 2012 15:47:38 +0000 (08:47 -0700)
commitcd2ae436c3ef59659ba10754213c8614d256dc86
treed68e8c422e27238b85f5e5743bb422384af48098tree | snapshot
parentc5a07578befc10cde568f54a2103ad4273ef98c1commit | diff
hwmon: (applesmc) Limit key length in warning messages

commit ac852edb47b15900886ba2564eeeb13b3b526e3e upstream.

Key lookups may call read_smc() with a fixed-length key string,
and if the lookup fails, trailing stack content may appear in the
kernel log. Fixed with this patch.

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/hwmon/applesmc.c diff | blob | history
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