[tracker/miner-fs-refactor: 92/127] libtracker-miner: Fix invalid read in TrackerFileSystem

[Carlos Garnacho <carlosg src gnome org>]

commit 8c0f99b92b9edfbafce765ad38cd47e64a8966ac
Author: Carlos Garnacho <carlos lanedo com>
Date:   Fri Oct 7 11:31:03 2011 +0200

    libtracker-miner: Fix invalid read in TrackerFileSystem

 src/libtracker-miner/tracker-file-system.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/src/libtracker-miner/tracker-file-system.c b/src/libtracker-miner/tracker-file-system.c
index c770b71..b6168d9 100644
--- a/src/libtracker-miner/tracker-file-system.c
+++ b/src/libtracker-miner/tracker-file-system.c
@@ -156,7 +156,8 @@ file_node_data_equal_or_child (GNode  *node,
 		if (uri_suffix[0] == '/') {
 			uri_suffix++;
 		} else if (uri_suffix[0] != '\0' &&
-			   strcmp (data->uri_suffix + len - 4, ":///") != 0) {
+			   (len < 4 ||
+			    strcmp (data->uri_suffix + len - 4, ":///") != 0)) {
 			/* If the first char isn't an uri separator
 			 * nor \0, node represents a similarly named
 			 * file, but not a parent after all.