CIFS: Add SMB2 support for is_path_accessible
that needs for a successful mount through SMB2 protocol.
Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru>
Signed-off-by: Steve French <smfrench@gmail.com>
diff --git a/fs/cifs/smb2misc.c b/fs/cifs/smb2misc.c
index 10729a7..eb73a13 100644
--- a/fs/cifs/smb2misc.c
+++ b/fs/cifs/smb2misc.c
@@ -230,6 +230,11 @@
((struct smb2_sess_setup_rsp *)hdr)->SecurityBufferLength);
break;
case SMB2_CREATE:
+ *off = le32_to_cpu(
+ ((struct smb2_create_rsp *)hdr)->CreateContextsOffset);
+ *len = le32_to_cpu(
+ ((struct smb2_create_rsp *)hdr)->CreateContextsLength);
+ break;
case SMB2_READ:
case SMB2_QUERY_INFO:
case SMB2_QUERY_DIRECTORY:
@@ -315,3 +320,23 @@
cFYI(1, "SMB2 len %d", len);
return len;
}
+
+/* Note: caller must free return buffer */
+__le16 *
+cifs_convert_path_to_utf16(const char *from, struct cifs_sb_info *cifs_sb)
+{
+ int len;
+ const char *start_of_path;
+ __le16 *to;
+
+ /* Windows doesn't allow paths beginning with \ */
+ if (from[0] == '\\')
+ start_of_path = from + 1;
+ else
+ start_of_path = from;
+ to = cifs_strndup_to_utf16(start_of_path, PATH_MAX, &len,
+ cifs_sb->local_nls,
+ cifs_sb->mnt_cifs_flags &
+ CIFS_MOUNT_MAP_SPECIAL_CHR);
+ return to;
+}