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mfd: Check for twl4030-madc NULL pointer
authorKyle Manna <kyle@kylemanna.com>
Fri, 12 Aug 2011 03:33:14 +0000 (22:33 -0500)
committerMaxim Uvarov <maxim.uvarov@oracle.com>
Tue, 10 Jan 2012 21:02:31 +0000 (13:02 -0800)
commitaa3b0a4a6d006b903f4c672cc8944362d14162b7
tree7d131c29a073bb1bf15d75f13d4782222dfc6c20tree
parentc0c467095ffd0958ca280700b7134c155ad41369commit | diff
mfd: Check for twl4030-madc NULL pointer

commit d0e84caeb4cd535923884735906e5730329505b4 upstream.

If the twl4030-madc device wasn't registered, and another device, such
as twl4030-madc-hwmon, calls twl4030_madc_conversion() a NULL pointer is
dereferenced.

Signed-off-by: Kyle Manna <kyle@kylemanna.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/mfd/twl4030-madc.c diff | blob | history
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