From: Krzysztof Kozlowski Date: Tue, 11 Feb 2014 09:12:25 +0000 (+0100) Subject: mfd: sec-core: Fix possible NULL pointer dereference when i2c_new_dummy error X-Git-Tag: v3.15-rc1~64^2~89^2~4 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=65aba1e04916d72b30c028730a1e31860c225412;p=pandora-kernel.git mfd: sec-core: Fix possible NULL pointer dereference when i2c_new_dummy error During probe the sec-core driver allocates dummy I2C device for RTC with i2c_new_dummy() but return value is not checked. In case of error (i2c_new_device(): memory allocation failure or I2C address cannot be used) this function returns NULL which is later used by devm_regmap_init_i2c() or i2c_unregister_device(). If i2c_new_dummy() fails for RTC device, fail also the probe for main MFD driver. Cc: stable@vger.kernel.org Signed-off-by: Krzysztof Kozlowski Signed-off-by: Lee Jones --- Reading git-diff-tree failed