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From: Robert Watson <rwatson@FreeBSD.org>
Date: Fri, 11 Jun 2004 03:42:37 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org,
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Subject: cvs commit: src/sys/netinet igmp.c
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rwatson     2004-06-11 03:42:37 UTC

  FreeBSD src repository

  Modified files:
    sys/netinet          igmp.c 
  Log:
  Lock down parallel router_info list for tracking multicast IGMP
  versions of various routers seen:
  
  - Introduce igmp_mtx.
  - Protect global variable 'router_info_head' and list fields
    in struct router_info with this mutex, as well as
    igmp_timers_are_running.
  - find_rti() asserts that the caller acquires igmp_mtx.
  - Annotate a failure to check the return value of
    MALLOC(..., M_NOWAIT).
  
  Revision  Changes    Path
  1.46      +27 -1     src/sys/netinet/igmp.c