From: Robert Shearman <rs8...@att.com>
Specifying "... ttl inherit" currently does nothing on a GRE link
modify since the previous ttl value is retrieved up front. Fix this by
explicitly setting ttl to 0 when "inherit" is specified for the
option, since 0 represents the semantics of inherit.
Signed-off-by: Robert Shearman <rs8...@att.com>
---
ip/link_gre.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/ip/link_gre.c b/ip/link_gre.c
index 35782caaa68b..43cb1af6196a 100644
--- a/ip/link_gre.c
+++ b/ip/link_gre.c
@@ -276,7 +276,8 @@ get_failed:
if (uval > 255)
invarg("TTL must be <= 255\n", *argv);
ttl = uval;
- }
+ } else
+ ttl = 0;
} else if (!matches(*argv, "tos") ||
!matches(*argv, "tclass") ||
!matches(*argv, "dsfield")) {
--
2.1.4
