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CIFS: Fix DFS handling in cifs_get_file_info 

We should call cifs_all_info_to_fattr in rc == 0 case only.

Cc: <stable@kernel.org>
Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
This commit is contained in:
Pavel Shilovsky 2011-10-22 14:37:50 +04:00 committed by Steve French
parent a2d6b6cacb
commit 42274bb22a
1 changed files with 12 additions and 7 deletions
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19
fs/cifs/inode.c
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@ -562,7 +562,16 @@ int cifs_get_file_info(struct file *filp)
xid = GetXid();
rc = CIFSSMBQFileInfo(xid, tcon, cfile->netfid, &find_data);
if (rc == -EOPNOTSUPP || rc == -EINVAL) {
switch (rc) {
case 0:
cifs_all_info_to_fattr(&fattr, &find_data, cifs_sb, false);
break;
case -EREMOTE:
cifs_create_dfs_fattr(&fattr, inode->i_sb);
rc = 0;
break;
case -EOPNOTSUPP:
case -EINVAL:
/*
* FIXME: legacy server -- fall back to path-based call?
* for now, just skip revalidating and mark inode for
@ -570,18 +579,14 @@ int cifs_get_file_info(struct file *filp)
*/
rc = 0;
CIFS_I(inode)->time = 0;
default:
goto cgfi_exit;
} else if (rc == -EREMOTE) {
cifs_create_dfs_fattr(&fattr, inode->i_sb);
rc = 0;
} else if (rc)
goto cgfi_exit;
}
/*
* don't bother with SFU junk here -- just mark inode as needing
* revalidation.
*/
cifs_all_info_to_fattr(&fattr, &find_data, cifs_sb, false);
fattr.cf_uniqueid = CIFS_I(inode)->uniqueid;
fattr.cf_flags |= CIFS_FATTR_NEED_REVAL;
cifs_fattr_to_inode(inode, &fattr);