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memstick: fix a double-free bug in memstick_check
[ Upstream commit e3e9ced ] kfree(host->card) has been called in put_device so that another kfree would raise cause a double-free bug. Fixes: 0193383 ("memstick: core: fix device_register() error handling") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com> Link: https://lore.kernel.org/r/20201120074846.31322-1-miaoqinglang@huawei.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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