[PATCH] xfree86: check for NULL pointer before dereferences it in parser code

[Tiago Vignatti]

Seems to be harmless. Meh.

Signed-off-by: Tiago Vignatti <tiago.vignatti at nokia.com>
---
 hw/xfree86/parser/scan.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/hw/xfree86/parser/scan.c b/hw/xfree86/parser/scan.c
index 8aab0cf..06710d5 100644
--- a/hw/xfree86/parser/scan.c
+++ b/hw/xfree86/parser/scan.c
@@ -845,10 +845,13 @@ static int
 ConfigFilter(const struct dirent *de)
 {
 	const char *name = de->d_name;
-	size_t len = strlen(name);
+	size_t len;
 	size_t suflen = strlen(XCONFIGSUFFIX);
 
-	if (!name || name[0] == '.' || len <= suflen)
+	if (!name || name[0] == '.')
+		return 0;
+	len = strlen(name);
+	if(len <= suflen)
 		return 0;
 	if (strcmp(&name[len-suflen], XCONFIGSUFFIX) != 0)
 		return 0;
-- 
1.6.0.4