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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+
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@ -586,7 +586,7 @@ cifs_query_path_info(const unsigned int xid, struct cifs_tcon *tcon,
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tmprc = CIFS_open(xid, &oparms, &oplock, NULL);
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if (tmprc == -EOPNOTSUPP)
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*symlink = true;
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else
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else if (tmprc == 0)
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CIFSSMBClose(xid, tcon, fid.netfid);
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}
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@ -256,6 +256,8 @@ static const struct status_to_posix_error smb2_error_map_table[] = {
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{STATUS_DLL_MIGHT_BE_INCOMPATIBLE, -EIO,
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"STATUS_DLL_MIGHT_BE_INCOMPATIBLE"},
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{STATUS_STOPPED_ON_SYMLINK, -EOPNOTSUPP, "STATUS_STOPPED_ON_SYMLINK"},
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{STATUS_IO_REPARSE_TAG_NOT_HANDLED, -EOPNOTSUPP,
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"STATUS_REPARSE_NOT_HANDLED"},
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{STATUS_DEVICE_REQUIRES_CLEANING, -EIO,
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"STATUS_DEVICE_REQUIRES_CLEANING"},
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{STATUS_DEVICE_DOOR_OPEN, -EIO, "STATUS_DEVICE_DOOR_OPEN"},
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