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scsi: iscsi: Fix inappropriate use of put_device()
[ Upstream commit 6dc1c7a ] kfree(conn) is called inside put_device(&conn->dev) which could lead to use-after-free. In addition, device_unregister() should be used here rather than put_deviceO(). Link: https://lore.kernel.org/r/20201120074852.31658-1-miaoqinglang@huawei.com Fixes: f3c893e ("scsi: iscsi: Fail session and connection on transport registration failure") Reported-by: Hulk Robot <hulkci@huawei.com> Reviewed-by: Mike Christie <michael.christie@oracle.com> Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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