d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ifnet: initial if_grow() shall always succeed

Browse Source 
So let's just call malloc() directly.  This also avoids hidden
doubling of default V_if_indexlim.

Reviewed by:		melifaro, bz, kp
Differential revision:	https://reviews.freebsd.org/D33261
This commit is contained in:
Gleb Smirnoff 2021-12-04 09:49:35 -08:00
parent 450394af27
commit 6ff4cac2ee
1 changed files with 2 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
sys/net/if.c
View File

@ -441,15 +441,11 @@ ifaddr_byindex(u_short idx)
static void
vnet_if_init(const void *unused __unused)
{
void *old;
CK_STAILQ_INIT(&V_ifnet);
CK_STAILQ_INIT(&V_ifg_head);
IFNET_WLOCK();
old = if_grow(); /* create initial table */
IFNET_WUNLOCK();
epoch_wait_preempt(net_epoch_preempt);
free(old, M_IFNET);
V_ifindex_table = malloc(V_if_indexlim * sizeof(*V_ifindex_table),
M_IFNET, M_WAITOK | M_ZERO);
vnet_if_clone_init();
}
VNET_SYSINIT(vnet_if_init, SI_SUB_INIT_IF, SI_ORDER_SECOND, vnet_if_init,