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author | 2019-02-11 00:11:24 +0000 | |
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committer | 2019-02-11 00:11:24 +0000 | |
commit | c14615c1f6ebc7c8aea9178f920017d623ab1183 (patch) | |
tree | 33c85c93cecf07afb7c85f9135e971b82bf3c08a /sys/net/if_mpe.c | |
parent | whitespace and 80 chars per line (diff) | |
download | wireguard-openbsd-c14615c1f6ebc7c8aea9178f920017d623ab1183.tar.xz wireguard-openbsd-c14615c1f6ebc7c8aea9178f920017d623ab1183.zip |
add M_CANFAIL to malloc, and return ENOMEM if allocating an interface
fails.
Diffstat (limited to 'sys/net/if_mpe.c')
-rw-r--r-- | sys/net/if_mpe.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sys/net/if_mpe.c b/sys/net/if_mpe.c index 7d185c4bded..a3862e67be3 100644 --- a/sys/net/if_mpe.c +++ b/sys/net/if_mpe.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_mpe.c,v 1.79 2019/02/10 22:36:34 dlg Exp $ */ +/* $OpenBSD: if_mpe.c,v 1.80 2019/02/11 00:11:24 dlg Exp $ */ /* * Copyright (c) 2008 Pierre-Yves Ritschard <pyr@spootnik.org> @@ -93,7 +93,10 @@ mpe_clone_create(struct if_clone *ifc, int unit) struct mpe_softc *sc; struct ifnet *ifp; - sc = malloc(sizeof(*sc), M_DEVBUF, M_WAITOK|M_ZERO); + sc = malloc(sizeof(*sc), M_DEVBUF, M_WAITOK|M_CANFAIL|M_ZERO); + if (sc == NULL) + return (ENOMEM); + ifp = &sc->sc_if; snprintf(ifp->if_xname, sizeof ifp->if_xname, "mpe%d", unit); ifp->if_flags = IFF_POINTOPOINT; |