jz4740-battery: Check if platform_data is supplied
authorLars-Peter Clausen <lars@metafoo.de>
Thu, 11 Nov 2010 18:00:53 +0000 (19:00 +0100)
committerAnton Vorontsov <cbouatmailru@gmail.com>
Thu, 18 Nov 2010 13:56:22 +0000 (16:56 +0300)
commit8477cedb49c69ce64b603d76c7776811eec0f9d7
tree88528e5766e5c7434aa7d39ac5f631d1798b7b75
parente1a85694e08d03efae9e08fdb292dfd4870837bc
jz4740-battery: Check if platform_data is supplied

Currently platform_data is dereferenced without checking whether it
is actually set, which can lead to kernel crashes.
This patch adds a check which will abort the drivers probe function
gracefully if no platform_data is supplied.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
drivers/power/jz4740-battery.c