netdev: Really set output values to 0 on failure in netdev_get_features().

[sliver-openvswitch.git] / lib / vlog.c

diff --git a/lib/vlog.c b/lib/vlog.c
index 1b95d96..5496f01 100644 (file)
--- a/lib/vlog.c
+++ b/lib/vlog.c
@@ -522,7 +522,7 @@ format_log_message(enum vlog_module module, enum vlog_level level,
             p++;
         }
         field = 0;
-        while (isdigit(*p)) {
+        while (isdigit((unsigned char)*p)) {
             field = (field * 10) + (*p - '0');
             p++;
         }