[BlueZ 12/14] isotest: Fix error check after opening file

[Bastien Nocera <hadess@xxxxxxxxxx>]

Consider "0" to be a valid fd.
---
 tools/isotest.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/isotest.c b/tools/isotest.c
index 810d15d2df2a..ddace0da3044 100644
--- a/tools/isotest.c
+++ b/tools/isotest.c
@@ -720,7 +720,7 @@ static int open_file(const char *filename)
 	syslog(LOG_INFO, "Opening %s ...", filename);
 
 	fd = open(filename, O_RDONLY);
-	if (fd <= 0) {
+	if (fd < 0) {
 		syslog(LOG_ERR, "Can't open file %s: %s\n",
 						filename, strerror(errno));
 	}
-- 
2.44.0