Date: Mon, 3 Oct 2005 11:09:40 +0000 (UTC) From: Robert Watson <rwatson@FreeBSD.org> To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/netinet in.c Message-ID: <200510031109.j93B9exq062614@repoman.freebsd.org>
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rwatson 2005-10-03 11:09:40 UTC
FreeBSD src repository
Modified files:
sys/netinet in.c
Log:
Acquire Giant conditionally in in_addmulti() and in_delmulti() based on
whether the interface being accessed is IFF_NEEDSGIANT or not. This
avoids lock order reversals when calling into the interface ioctl
handler, which could potentially lead to deadlock.
The long term solution is to eliminate non-MPSAFE network drivers.
Discussed with: jhb
MFC after: 1 week
Revision Changes Path
1.89 +9 -0 src/sys/netinet/in.c
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