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authorKrzysztof Kozlowski <k.kozlowski@samsung.com>2015-03-12 10:44:00 +0300
committerSebastian Reichel <sre@kernel.org>2015-03-14 00:52:52 +0300
commit1915a718b1872edffcb13e5436a9f7302d3d36f0 (patch)
treefdeaf4bd48e2bb424ecbf0decc05bbcf3c6d0112 /MAINTAINERS
parentad774702f1705c04e5fa492b793d8d477a504fa6 (diff)
downloadlinux-1915a718b1872edffcb13e5436a9f7302d3d36f0.tar.xz
compal-laptop: Check return value of power_supply_register
The return value of power_supply_register() call was not checked and even on error probe() function returned 0. If registering failed then during unbind the driver tried to unregister power supply which was not actually registered. This could lead to memory corruption because power_supply_unregister() unconditionally cleans up given power supply. Fix this by checking return status of power_supply_register() call. In case of failure, clean up sysfs entries and fail the probe. Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Fixes: 9be0fcb5ed46 ("compal-laptop: add JHL90, battery & hwmon interface") Cc: <stable@vger.kernel.org> Signed-off-by: Sebastian Reichel <sre@kernel.org>
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