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Eliminate use of M_EXT in IP6_EXTHDR_CHECK() by trimming a redundant

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'if'/'else' case: it matches the simple 'else' case that follows.

This reduces awareness of external-storage mechanics outside of the
mbuf allocator.

Reviewed by:	bz
MFC after:	3 days
Sponsored by:	EMC / Isilon Storage Division
Differential Revision:	https://reviews.freebsd.org/D900
This commit is contained in:
Robert Watson 2014-10-05 06:28:53 +00:00
parent 260ac36209
commit 6c572040c6
1 changed files with 0 additions and 6 deletions
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6
sys/netinet/ip6.h
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@ -277,12 +277,6 @@ do { \
(((m) = m_pullup((m), (off) + (hlen))) == NULL)) { \
IP6STAT_INC(ip6s_exthdrtoolong); \
return ret; \
} else if ((m)->m_flags & M_EXT) { \
if ((m)->m_len < (off) + (hlen)) { \
IP6STAT_INC(ip6s_exthdrtoolong); \
m_freem(m); \
return ret; \
} \
} else { \
if ((m)->m_len < (off) + (hlen)) { \
IP6STAT_INC(ip6s_exthdrtoolong); \