[CIFS] have cifs_get_spnego_key get the hostname from TCP_Server_Info

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>

fs/cifs/cifs_spnego.c

@@ -73,12 +73,13 @@ struct key_type cifs_spnego_key_type = {
 #define MAX_IPV6_ADDR_LEN 42 /* eg FEDC:BA98:7654:3210:FEDC:BA98:7654:3210/60 */
 /* get a key struct with a SPNEGO security blob, suitable for session setup */
 struct key *
-cifs_get_spnego_key(struct cifsSesInfo *sesInfo, const char *hostname)
+cifs_get_spnego_key(struct cifsSesInfo *sesInfo)
 {
 	struct TCP_Server_Info *server = sesInfo->server;
 	char *description, *dp;
 	size_t desc_len;
 	struct key *spnego_key;
+	const char *hostname = server->hostname;
 
 	/* BB: come up with better scheme for determining length */
 	/* length of fields (with semicolons): ver=0xyz ipv4= ipaddress host=

fs/cifs/cifsproto.h

@@ -77,8 +77,7 @@ extern void header_assemble(struct smb_hdr *, char /* command */ ,
 extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
 				struct cifsSesInfo *ses,
 				void **request_buf);
-extern struct key *cifs_get_spnego_key(struct cifsSesInfo *sesInfo,
-					const char *hostname);
+extern struct key *cifs_get_spnego_key(struct cifsSesInfo *sesInfo);
 extern int CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses,
 			     const int stage,
 			     const struct nls_table *nls_cp);