Only some drivers (and none before kernel version 2.6.31) currently
set these flags. When the flags are equal to 0 and so we don't know
what the link partner advertised, don't report anything.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
ethtool.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/ethtool.c b/ethtool.c
index 10dfc80..298b690 100644
--- a/ethtool.c
+++ b/ethtool.c
@@ -948,7 +948,9 @@ static int dump_ecmd(struct ethtool_cmd *ep)
dump_supported(ep);
dump_advertised(ep, "Advertised", ep->advertising);
- dump_advertised(ep, "Link partner advertised", ep->lp_advertising);
+ if (ep->lp_advertising)
+ dump_advertised(ep, "Link partner advertised",
+ ep->lp_advertising);
fprintf(stdout, " Speed: ");
speed = ethtool_cmd_speed(ep);
--
1.6.5.7
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