cvs commit: src/sys/netinet raw_ip.c

[Robert Watson]

rwatson     2003/08/26 07:11:48 PDT

  FreeBSD src repository

  Modified files:
    sys/netinet          raw_ip.c 
  Log:
  M_PREPEND() with an argument of M_TRYWAIT can fail, meaning the
  returned mbuf can be NULL.  Check for NULL in rip_output() when
  prepending an IP header.  This prevents mbuf exhaustion from
  causing a local kernel panic when sending raw IP packets.
  
  PR:             kern/55886
  Reported by:    Pawel Malachowski <pawmal-posting at freebsd.lublin.pl>
  MFC after:      3 days
  
  Revision  Changes    Path
  1.115     +2 -0      src/sys/netinet/raw_ip.c