CVS commit: src/sys/netinet6

["Greg Troxel" <gdt%netbsd.org@localhost>]

Module Name:    src
Committed By:   gdt
Date:           Mon Mar 18 19:31:39 UTC 2013

Modified Files:
        src/sys/netinet6: ip6_output.c

Log Message:
Initialize variable used as (conditional) result parameter.

ip6_insertfraghdr either sets a result parameter or returns an error.
While the caller only uses the result parameter in the non-error case,
knowing that requires cross-module static analysis, and that's not
robust against distant code changes.  Therfore, set ip6f to NULL
before the function call that maybe sets it, avoiding a spuruious
warning and changing the future possible bug from an unitialized
dereference to a NULL deferrence.


To generate a diff of this commit:
cvs rdiff -u -r1.151 -r1.152 src/sys/netinet6/ip6_output.c

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