CVS commit: src/sys

["Christos Zoulas" <christos%netbsd.org@localhost>]

Module Name:    src
Committed By:   christos
Date:           Sun Mar 18 15:32:48 UTC 2018

Modified Files:
        src/sys/kern: uipc_socket2.c
        src/sys/sys: socketvar.h

Log Message:
- Convert sb_lowat to unsigned for consistency. There are no negative value
  uses
- Check for overflow as mentioned in the comment
- Sprinkle const


To generate a diff of this commit:
cvs rdiff -u -r1.126 -r1.127 src/sys/kern/uipc_socket2.c
cvs rdiff -u -r1.148 -r1.149 src/sys/sys/socketvar.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.