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ifnet: Restore curvnet earlier

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This improves readability a little. As a side effect, a redundant
CURVNET_RESTORE is removed.

No functional change intended.

Reviewed by:	glebius
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D45595
This commit is contained in:
Zhenlei Huang 2024-06-27 12:38:04 +08:00
parent b195d7498b
commit ef4f4a44d9
1 changed files with 1 additions and 4 deletions
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5
sys/net/if.c
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@ -1343,8 +1343,8 @@ if_vmove_loan(struct thread *td, struct ifnet *ifp, char *ifname, int jid)
/* XXX Lock interfaces to avoid races. */
CURVNET_SET_QUIET(pr->pr_vnet);
difp = ifunit(ifname);
CURVNET_RESTORE();
if (difp != NULL) {
CURVNET_RESTORE();
prison_free(pr);
return (EEXIST);
}
@ -1354,16 +1354,13 @@ if_vmove_loan(struct thread *td, struct ifnet *ifp, char *ifname, int jid)
shutdown = VNET_IS_SHUTTING_DOWN(ifp->if_vnet);
if (shutdown) {
sx_xunlock(&ifnet_detach_sxlock);
CURVNET_RESTORE();
prison_free(pr);
return (EBUSY);
}
CURVNET_RESTORE();
found = if_unlink_ifnet(ifp, true);
if (! found) {
sx_xunlock(&ifnet_detach_sxlock);
CURVNET_RESTORE();
prison_free(pr);
return (ENODEV);
}