Clang warns when one enumerated type is implicitly converted to another.

drivers/scsi/iscsi_tcp.c:803:15: warning: implicit conversion from
enumeration type 'enum iscsi_host_param' to different enumeration type
'enum iscsi_param' [-Wenum-conversion]
                                                 &addr, param, buf);
                                                        ^~~~~
1 warning generated.

iscsi_conn_get_addr_param handles ISCSI_HOST_PARAM_IPADDRESS just fine
so add an explicit cast to iscsi_param to make it clear to Clang that
this is expected behavior.

Link: https://github.com/ClangBuiltLinux/linux/issues/153
Signed-off-by: Nathan Chancellor <[email protected]>
---
 drivers/scsi/iscsi_tcp.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index b025a0b74341..23354f206533 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -800,7 +800,8 @@ static int iscsi_sw_tcp_host_get_param(struct Scsi_Host 
*shost,
                        return rc;
 
                return iscsi_conn_get_addr_param((struct sockaddr_storage *)
-                                                &addr, param, buf);
+                                                &addr,
+                                                (enum iscsi_param)param, buf);
        default:
                return iscsi_host_get_param(shost, param, buf);
        }
-- 
2.19.0

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