Module Name: src Committed By: sborrill Date: Fri Nov 27 09:19:13 UTC 2009
Modified Files: src/sys/kern [netbsd-5-0]: tty_subr.c Log Message: Pull up the following revisions(s) (requested by dsl in ticket #1141): sys/kern/tty_subr.c: revision 1.38 Fix clrbits() so that it doesn't mask no bits out of the byte after the range (when the last bit to be cleared is the msb of a byte). Fixes PR/42312. To generate a diff of this commit: cvs rdiff -u -r1.34 -r1.34.8.1 src/sys/kern/tty_subr.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/kern/tty_subr.c diff -u src/sys/kern/tty_subr.c:1.34 src/sys/kern/tty_subr.c:1.34.8.1 --- src/sys/kern/tty_subr.c:1.34 Wed Jul 16 18:27:49 2008 +++ src/sys/kern/tty_subr.c Fri Nov 27 09:19:13 2009 @@ -1,4 +1,4 @@ -/* $NetBSD: tty_subr.c,v 1.34 2008/07/16 18:27:49 drochner Exp $ */ +/* $NetBSD: tty_subr.c,v 1.34.8.1 2009/11/27 09:19:13 sborrill Exp $ */ /* * Copyright (c) 1993, 1994 Theo de Raadt @@ -29,7 +29,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: tty_subr.c,v 1.34 2008/07/16 18:27:49 drochner Exp $"); +__KERNEL_RCSID(0, "$NetBSD: tty_subr.c,v 1.34.8.1 2009/11/27 09:19:13 sborrill Exp $"); #include <sys/param.h> #include <sys/systm.h> @@ -316,10 +316,11 @@ return; } + len--; sby = off / NBBY; sbi = off % NBBY; eby = (off+len) / NBBY; - ebi = (off+len) % NBBY; + ebi = (off+len) % NBBY + 1; if (sby == eby) { mask = ((1 << (ebi - sbi)) - 1) << sbi; cp[sby] &= ~mask;