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

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: ce51c817 ("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>