[CIFS] Add support for readdir to legacy servers
Fixes oops to OS/2 on ls and removes redundant NTCreateX calls to servers
which do not support NT SMBs. Key operations to OS/2 work.
Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index d62e29f..fafdcdf 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -260,10 +260,15 @@
rc = -ENOMEM;
goto out;
}
- rc = CIFSSMBOpen(xid, pTcon, full_path, disposition, desiredAccess,
- CREATE_NOT_DIR, &netfid, &oplock, buf,
+
+ if (cifs_sb->tcon->ses->capabilities & CAP_NT_SMBS)
+ rc = CIFSSMBOpen(xid, pTcon, full_path, disposition,
+ desiredAccess, CREATE_NOT_DIR, &netfid, &oplock, buf,
cifs_sb->local_nls, cifs_sb->mnt_cifs_flags
& CIFS_MOUNT_MAP_SPECIAL_CHR);
+ else
+ rc = -EIO; /* no NT SMB support fall into legacy open below */
+
if (rc == -EIO) {
/* Old server, try legacy style OpenX */
rc = SMBLegacyOpen(xid, pTcon, full_path, disposition,
