[CIFS] Fix build warning
Fix build warning in Shirish's recent SMB3 signing patch
which occurs when SMB2 support is disabled in Kconfig.
fs/built-in.o: In function `cifs_setup_session':
>> (.text+0xa1767): undefined reference to `generate_smb3signingkey'
Pointed out by: automated 0-DAY kernel build testing backend
Intel Open Source Technology Center
CC: Shirish Pargaonkar <shirishpargaonkar@gmail.com>
Signed-off-by: Steve French <smfrench@gmail.com>
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 354ea77..afcb8a1 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -3841,7 +3841,8 @@
server->sequence_number = 0x2;
server->session_estab = true;
ses->auth_key.response = NULL;
- generate_smb3signingkey(server);
+ if (server->ops->generate_signingkey)
+ server->ops->generate_signingkey(server);
}
mutex_unlock(&server->srv_mutex);