From: Stephen Hemminger <stephen@networkplumber.org>
Date: Thu, 17 May 2018 23:20:50 +0000 (-0700)
Subject: tc: allow 0% for percent options
X-Git-Tag: v4.17.0~13
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=405e0c4ffe7a410b09201db42955089fb0033776;p=thirdparty%2Fiproute2.git

tc: allow 0% for percent options

Allowing 0% is sometimes useful for example in netem loss and drop
or perhaps dropping all traffic in a HTB bin.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=199745
Reported-by: stuartmarsden@gmail.com
Fixes: 927e3cfb52b5 ("tc: B.W limits can now be specified in %.")
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---

diff --git a/lib/utils.c b/lib/utils.c
index 7b2c6dd19..02ce67721 100644
--- a/lib/utils.c
+++ b/lib/utils.c
@@ -105,7 +105,7 @@ int parse_percent(double *val, const char *str)
 	*val = strtod(str, &p) / 100.;
 	if (*val == HUGE_VALF || *val == HUGE_VALL)
 		return 1;
-	if (*val == 0.0 || (*p && strcmp(p, "%")))
+	if (*p && strcmp(p, "%"))
 		return -1;
 
 	return 0;