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author | rwatson <rwatson@FreeBSD.org> | 2005-08-02 17:52:52 +0000 |
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committer | rwatson <rwatson@FreeBSD.org> | 2005-08-02 17:52:52 +0000 |
commit | f859ef367bb9da51d548ce2541ded64582b4bfd7 (patch) | |
tree | d84acad36832edb2c3e80231f2c82d8289e533ff /sys/net/if_iso88025subr.c | |
parent | a3335c93b9a924f9255eabefe20044ffee3ea74d (diff) | |
download | FreeBSD-src-f859ef367bb9da51d548ce2541ded64582b4bfd7.zip FreeBSD-src-f859ef367bb9da51d548ce2541ded64582b4bfd7.tar.gz |
When allocating link layer ifnet address list entries in
ifp->if_resolvemulti(), do so with M_NOWAIT rather than M_WAITOK, so
that a mutex can be held over the call. In the FDDI code, add a
missing M_ZERO. Consumers are already aware that if_resolvemulti()
can fail.
MFC after: 1 week
Diffstat (limited to 'sys/net/if_iso88025subr.c')
-rw-r--r-- | sys/net/if_iso88025subr.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/sys/net/if_iso88025subr.c b/sys/net/if_iso88025subr.c index d497143..fd04bc1 100644 --- a/sys/net/if_iso88025subr.c +++ b/sys/net/if_iso88025subr.c @@ -720,7 +720,9 @@ iso88025_resolvemulti (ifp, llsa, sa) return (EADDRNOTAVAIL); } MALLOC(sdl, struct sockaddr_dl *, sizeof *sdl, M_IFMADDR, - M_WAITOK|M_ZERO); + M_NOWAIT|M_ZERO); + if (sdl == NULL) + return (ENOMEM); sdl->sdl_len = sizeof *sdl; sdl->sdl_family = AF_LINK; sdl->sdl_index = ifp->if_index; @@ -748,7 +750,9 @@ iso88025_resolvemulti (ifp, llsa, sa) return (EADDRNOTAVAIL); } MALLOC(sdl, struct sockaddr_dl *, sizeof *sdl, M_IFMADDR, - M_WAITOK|M_ZERO); + M_NOWAIT|M_ZERO); + if (sdl == NULL) + return (ENOMEM); sdl->sdl_len = sizeof *sdl; sdl->sdl_family = AF_LINK; sdl->sdl_index = ifp->if_index; |