github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-23 06:31:58 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

rtnetlink: count IFLA_PARENT_DEV_{NAME,BUS_NAME} in if_nlmsg_size

Browse Source 
Commit 00e77ed8e6 ("rtnetlink: add IFLA_PARENT_[DEV|DEV_BUS]_NAME")
added those attributes to rtnl_fill_ifinfo, but forgot to extend
if_nlmsg_size.

Fixes: 00e77ed8e6 ("rtnetlink: add IFLA_PARENT_[DEV|DEV_BUS]_NAME")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Link: https://patch.msgid.link/0b849da95562af45487080528d60f578636aba5c.1773919462.git.sd@queasysnail.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Sabrina Dubroca 2026-03-20 00:02:52 +01:00 committed by Jakub Kicinski
parent 24dd586bb4
commit 52501989c7
1 changed files with 16 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
net/core/rtnetlink.c
View File

@ -1267,6 +1267,21 @@ static size_t rtnl_dpll_pin_size(const struct net_device *dev)
return size;
}
static size_t rtnl_dev_parent_size(const struct net_device *dev)
{
size_t size = 0;
/* IFLA_PARENT_DEV_NAME */
if (dev->dev.parent)
size += nla_total_size(strlen(dev_name(dev->dev.parent)) + 1);
/* IFLA_PARENT_DEV_BUS_NAME */
if (dev->dev.parent && dev->dev.parent->bus)
size += nla_total_size(strlen(dev->dev.parent->bus->name) + 1);
return size;
}
static noinline size_t if_nlmsg_size(const struct net_device *dev,
u32 ext_filter_mask)
{
@ -1328,6 +1343,7 @@ static noinline size_t if_nlmsg_size(const struct net_device *dev,
+ nla_total_size(8) /* IFLA_MAX_PACING_OFFLOAD_HORIZON */
+ nla_total_size(2) /* IFLA_HEADROOM */
+ nla_total_size(2) /* IFLA_TAILROOM */
+ rtnl_dev_parent_size(dev)
+ 0;
if (!(ext_filter_mask & RTEXT_FILTER_SKIP_STATS))