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Fix problem recognizing symlinks 

Changeset eb85d94bd introduced a problem where if a cifs open
fails during query info of a file we
will still try to close the file (happens with certain types
of reparse points) even though the file handle is not valid.

In addition for SMB2/SMB3 we were not mapping the return code returned
by Windows when trying to open a file (like a Windows NFS symlink)
which is a reparse point.

Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Pavel Shilovsky <pshilovsky@samba.org>
CC: stable <stable@vger.kernel.org> #v3.13+
wifi-calibration
Steve French 2014-09-25 01:26:55 -05:00
parent 50dddff3cb
commit 19e81573fc
2 changed files with 3 additions and 1 deletions
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2
fs/cifs/smb1ops.c
View File

@ -586,7 +586,7 @@ cifs_query_path_info(const unsigned int xid, struct cifs_tcon *tcon,
tmprc = CIFS_open(xid, &oparms, &oplock, NULL);
if (tmprc == -EOPNOTSUPP)
*symlink = true;
else
else if (tmprc == 0)
CIFSSMBClose(xid, tcon, fid.netfid);
}

2
fs/cifs/smb2maperror.c
View File

@ -256,6 +256,8 @@ static const struct status_to_posix_error smb2_error_map_table[] = {
{STATUS_DLL_MIGHT_BE_INCOMPATIBLE, -EIO,
"STATUS_DLL_MIGHT_BE_INCOMPATIBLE"},
{STATUS_STOPPED_ON_SYMLINK, -EOPNOTSUPP, "STATUS_STOPPED_ON_SYMLINK"},
{STATUS_IO_REPARSE_TAG_NOT_HANDLED, -EOPNOTSUPP,
"STATUS_REPARSE_NOT_HANDLED"},
{STATUS_DEVICE_REQUIRES_CLEANING, -EIO,
"STATUS_DEVICE_REQUIRES_CLEANING"},
{STATUS_DEVICE_DOOR_OPEN, -EIO, "STATUS_DEVICE_DOOR_OPEN"},