scsi: iscsi: Fix missing scsi_host_put() in error path

scsi: iscsi: Fix missing scsi_host_put() in error path

[ Upstream commit 72eea84a1092b50a10eeecfeba4b28ac9f1312ab ]

Add goto to ensure scsi_host_put() is called in all error paths of
iscsi_set_host_param() function. This fixes a potential memory leak when
strlen() check fails.

Fixes: ce51c8170084 ("scsi: iscsi: Add strlen() check in iscsi_if_set{_host}_param()")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20250318094344.91776-1-linmq006@gmail.com
Reviewed-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>