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power: supply: fix null pointer dereferencing in power_supply_get_bat…
…tery_info [ Upstream commit 104bb8a ] when kmalloc() fail to allocate memory in kasprintf(), propname will be NULL, strcmp() called by of_get_property() will cause null pointer dereference. So return ENOMEM if kasprintf() return NULL pointer. Fixes: 3afb50d ("power: supply: core: Add some helpers to use the battery OCV capacity table") Signed-off-by: ruanjinjie <ruanjinjie@huawei.com> Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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