cifs: Remove unused is_server_using_iface()

JIRA: https://issues.redhat.com/browse/RHEL-76046

commit f17224c
Author: Dr. David Alan Gilbert <linux@treblig.org>
Date:   Fri Dec 20 21:59:37 2024 +0000

    cifs: Remove unused is_server_using_iface()
    
    The last use of is_server_using_iface() was removed in 2022 by
    commit aa45dad ("cifs: change iface_list from array to sorted linked
    list")
    
    Remove it.
    
    Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
    Signed-off-by: Steve French <stfrench@microsoft.com>

Signed-off-by: Paulo Alcantara <paalcant@redhat.com>

Author: pcacjr

fs/smb/client/cifsproto.h

@@ -626,8 +626,6 @@ void rqst_page_get_length(const struct smb_rqst *rqst, unsigned int page,
 			  unsigned int *len, unsigned int *offset);
 
 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);
 

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;