From: "Dr. David Alan Gilbert" <linux@treblig.org>

The last use of is_server_using_iface() was removed in 2022 by
commit aa45dadd34e4 ("cifs: change iface_list from array to sorted linked
list")

Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
---
 fs/smb/client/cifsproto.h |  2 --
 fs/smb/client/sess.c      | 25 -------------------------
 2 files changed, 27 deletions(-)

diff --git a/fs/smb/client/cifsproto.h b/fs/smb/client/cifsproto.h
index 754417cb3294..d26f9bbb5382 100644
--- a/fs/smb/client/cifsproto.h
+++ b/fs/smb/client/cifsproto.h
@@ -614,8 +614,6 @@ int cifs_alloc_hash(const char *name, struct shash_desc **sdesc);
 void cifs_free_hash(struct shash_desc **sdesc);
 
 int cifs_try_adding_channels(struct cifs_ses *ses);
-bool is_server_using_iface(struct TCP_Server_Info *server,
-			   struct cifs_server_iface *iface);
 bool is_ses_using_iface(struct cifs_ses *ses, struct cifs_server_iface *iface);
 void cifs_ses_mark_for_reconnect(struct cifs_ses *ses);
 
diff --git a/fs/smb/client/sess.c b/fs/smb/client/sess.c
index 3306fb655136..91d4d409cb1d 100644
--- a/fs/smb/client/sess.c
+++ b/fs/smb/client/sess.c
@@ -27,31 +27,6 @@ static int
 cifs_ses_add_channel(struct cifs_ses *ses,
 		     struct cifs_server_iface *iface);
 
-bool
-is_server_using_iface(struct TCP_Server_Info *server,
-		      struct cifs_server_iface *iface)
-{
-	struct sockaddr_in *i4 = (struct sockaddr_in *)&iface->sockaddr;
-	struct sockaddr_in6 *i6 = (struct sockaddr_in6 *)&iface->sockaddr;
-	struct sockaddr_in *s4 = (struct sockaddr_in *)&server->dstaddr;
-	struct sockaddr_in6 *s6 = (struct sockaddr_in6 *)&server->dstaddr;
-
-	if (server->dstaddr.ss_family != iface->sockaddr.ss_family)
-		return false;
-	if (server->dstaddr.ss_family == AF_INET) {
-		if (s4->sin_addr.s_addr != i4->sin_addr.s_addr)
-			return false;
-	} else if (server->dstaddr.ss_family == AF_INET6) {
-		if (memcmp(&s6->sin6_addr, &i6->sin6_addr,
-			   sizeof(i6->sin6_addr)) != 0)
-			return false;
-	} else {
-		/* unknown family.. */
-		return false;
-	}
-	return true;
-}
-
 bool is_ses_using_iface(struct cifs_ses *ses, struct cifs_server_iface *iface)
 {
 	int i;
-- 
2.47.1