power: supply: isp1704: Fix unchecked return value of devm_kzalloc
authorPan Bian <bianpan2016@163.com>
Mon, 24 Apr 2017 08:22:08 +0000 (16:22 +0800)
committerSebastian Reichel <sre@kernel.org>
Mon, 1 May 2017 09:52:25 +0000 (11:52 +0200)
commit8b20839988f1ed5e534b270f3776709b640dc7e0
treed1963cd2437b0e124c8bf926bf5a941b8abd0ce1
parent756e142a4b3b25aac44eaa54ded125fce0e8fcc7
power: supply: isp1704: Fix unchecked return value of devm_kzalloc

Function devm_kzalloc() will return a NULL pointer. However, in function
isp1704_charger_probe(), the return value of devm_kzalloc() is directly
used without validation. This may result in a bad memory access bug.

Fixes: 34a109610e2a ("isp1704_charger: Add DT support")
Signed-off-by: Pan Bian <bianpan2016@163.com>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
drivers/power/supply/isp1704_charger.c