[CIFS] Workaround various server bugs found in testing at connectathon

	- slow down negprot 1ms during mount when RFC1001 over port 139
	to give buggy servers time to clear sess_init
	- remap some plausible but incorrect SMB return codes to the
	right ones in truncate and hardlink paths

Signed-off-by: Steve French <sfrench@us.ibm.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index b8f1baabd343..3651deca4f24 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -1476,6 +1476,14 @@ ipv4_connect(struct sockaddr_in *psin_server, struct socket **csocket,
                         rc = smb_send(*csocket, smb_buf, 0x44,
                                 (struct sockaddr *)psin_server);
                         kfree(ses_init_buf);
+                        msleep(1); /* RFC1001 layer in at least one server 
+                                      requires very short break before negprot
+                                      presumably because not expecting negprot
+                                      to follow so fast.  This is a simple
+                                      solution that works without 
+                                      complicating the code and causes no
+                                      significant slowing down on mount
+                                      for everyone else */
                 }
                 /* else the negprot may still work without this 
                 even though malloc failed */