K 10
svn:author
V 7
rscheff
K 8
svn:date
V 27
2021-04-16T21:33:42.181508Z
K 7
svn:log
V 324
tcp: Shouldn't drain empty sbuf

MFC after: 2 weeks
Reviewed By: tuexen, #transport
Sponsored by: NetApp, Inc.
Differential Revision: https://reviews.freebsd.org/D29524

(cherry picked from commit 9aef4e7c2bd4371e526e4e3feb26064d361ad8ce)

Git Hash:   2a9ce2734f8bbb39f4fddb048ab0a605459dbe80
Git Author: rscheff@FreeBSD.org
END