summaryrefslogtreecommitdiff
path: root/net/ethtool
diff options
context:
space:
mode:
authorJakub Kicinski <kuba@kernel.org>2021-11-03 01:02:36 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-11-18 21:17:06 +0300
commit2e746ef502c9aa6801eafad4b76d4a5c62660bef (patch)
treebe6a786da7e2ce90136b1828b197129444e46624 /net/ethtool
parent351237a76e3fa1470f0c77f39074f4599085855d (diff)
downloadlinux-2e746ef502c9aa6801eafad4b76d4a5c62660bef.tar.xz
ethtool: fix ethtool msg len calculation for pause stats
[ Upstream commit 1aabe578dd86e9f2867c4db4fba9a15f4ba1825d ] ETHTOOL_A_PAUSE_STAT_MAX is the MAX attribute id, so we need to subtract non-stats and add one to get a count (IOW -2+1 == -1). Otherwise we'll see: ethnl cmd 21: calculated reply length 40, but consumed 52 Fixes: 9a27a33027f2 ("ethtool: add standard pause stats") Signed-off-by: Jakub Kicinski <kuba@kernel.org> Reviewed-by: Saeed Mahameed <saeedm@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'net/ethtool')
-rw-r--r--net/ethtool/pause.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/net/ethtool/pause.c b/net/ethtool/pause.c
index 9009f412151e..ee1e5806bc93 100644
--- a/net/ethtool/pause.c
+++ b/net/ethtool/pause.c
@@ -56,8 +56,7 @@ static int pause_reply_size(const struct ethnl_req_info *req_base,
if (req_base->flags & ETHTOOL_FLAG_STATS)
n += nla_total_size(0) + /* _PAUSE_STATS */
- nla_total_size_64bit(sizeof(u64)) *
- (ETHTOOL_A_PAUSE_STAT_MAX - 2);
+ nla_total_size_64bit(sizeof(u64)) * ETHTOOL_PAUSE_STAT_CNT;
return n;
}