From: Keith Packard <keithp@keithp.com>
Date: Mon, 18 May 2009 05:43:34 +0000 (-0700)
Subject: scandir returns -1 on error
X-Git-Tag: 0.4~5
X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=commitdiff_plain;h=33221277690e6ee30387c506c3f2b8237ed48efd

scandir returns -1 on error

In which case, the namelist is invalid, so don't look at it, and don't free
it.

Signed-off-by: Keith Packard <keithp@keithp.com>
---

diff --git a/aoview/aoview_dev.c b/aoview/aoview_dev.c
index a326ad73..33f7f8ec 100644
--- a/aoview/aoview_dev.c
+++ b/aoview/aoview_dev.c
@@ -91,7 +91,7 @@ usb_tty(char *sys)
 				       dir_filter_tty,
 				       alphasort);
 			free(endpoint_full);
-			if (ntty) {
+			if (ntty > 0) {
 				tty = aoview_fullname("/dev", namelist[0]->d_name + 4);
 				free(namelist);
 				return tty;