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There should not be zero length mbufs in socket buffers. The code comes

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from r1451, and thus can't be explained.  A patch with explicit panic()
here survived all tests.

Tested by:	pho
Sponsored by:	Nginx, Inc.
This commit is contained in:
Gleb Smirnoff 2014-11-14 06:02:29 +00:00
parent 7707f31dc5
commit f274e25659
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=274494
1 changed files with 0 additions and 7 deletions
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7
sys/kern/uipc_sockbuf.c
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@ -905,13 +905,6 @@ sbcut_internal(struct sockbuf *sb, int len)
mfree = m;
m = n;
}
while (m && m->m_len == 0) {
sbfree(sb, m);
n = m->m_next;
m->m_next = mfree;
mfree = m;
m = n;
}
if (m) {
sb->sb_mb = m;
m->m_nextpkt = next;