diff options
| author | Thomas Graf <tgraf@infradead.org> | 2010-11-11 16:47:59 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-11-12 19:53:09 +0100 |
| commit | 369cf77a6a3e41b1110506ddf43d45804103bfde (patch) | |
| tree | 6bd88b669c8c68ac4d9008e00566ca15e43a6ff4 /samples | |
| parent | Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linvil... (diff) | |
| download | linux-369cf77a6a3e41b1110506ddf43d45804103bfde.tar.xz linux-369cf77a6a3e41b1110506ddf43d45804103bfde.zip | |
rtnetlink: Fix message size calculation for link messages
nlmsg_total_size() calculates the length of a netlink message
including header and alignment. nla_total_size() calculates the
space an individual attribute consumes which was meant to be used
in this context.
Also, ensure to account for the attribute header for the
IFLA_INFO_XSTATS attribute as implementations of get_xstats_size()
seem to assume that we do so.
The addition of two message headers minus the missing attribute
header resulted in a calculated message size that was larger than
required. Therefore we never risked running out of skb tailroom.
Signed-off-by: Thomas Graf <tgraf@infradead.org>
Acked-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'samples')
0 files changed, 0 insertions, 0 deletions