[Patch v2] target/iscsi: fix possible condition with no effect (if == else)

[Hariprasad Kelam]

fix below warning reported by coccicheck

drivers/target/iscsi/iscsi_target_nego.c:175:6-8: WARNING: possible
condition with no effect (if == else)

Signed-off-by: Hariprasad Kelam <hariprasad.ke...@gmail.com>
---
Changes in v2: treat SRP as unsupported authtype.
               Remove unnecessary else
               return 2 in all unsupported cases

---
---
 drivers/target/iscsi/iscsi_target_nego.c | 15 ++-------------
 1 file changed, 2 insertions(+), 13 deletions(-)

diff --git a/drivers/target/iscsi/iscsi_target_nego.c 
b/drivers/target/iscsi/iscsi_target_nego.c
index 8a5e8d1..92ce2fd 100644
--- a/drivers/target/iscsi/iscsi_target_nego.c
+++ b/drivers/target/iscsi/iscsi_target_nego.c
@@ -160,22 +160,11 @@ static u32 iscsi_handle_authentication(
 
        if (strstr("None", authtype))
                return 1;
-#ifdef CANSRP
-       else if (strstr("SRP", authtype))
-               return srp_main_loop(conn, auth, in_buf, out_buf,
-                               &in_length, out_length);
-#endif
        else if (strstr("CHAP", authtype))
                return chap_main_loop(conn, auth, in_buf, out_buf,
                                &in_length, out_length);
-       else if (strstr("SPKM1", authtype))
-               return 2;
-       else if (strstr("SPKM2", authtype))
-               return 2;
-       else if (strstr("KRB5", authtype))
-               return 2;
-       else
-               return 2;
+       /* SRP, SPKM1, SPKM2 and KRB5 are unsupported */
+       return 2;
 }
 
 static void iscsi_remove_failed_auth_entry(struct iscsi_conn *conn)
-- 
2.7.4