Module Name: src Committed By: nat Date: Thu Oct 26 22:45:00 UTC 2017
Modified Files: src/sys/dev: audio.c Log Message: Ensure that the low/high water marks are at least PREFILL_BLOCKS. To generate a diff of this commit: cvs rdiff -u -r1.415 -r1.416 src/sys/dev/audio.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/dev/audio.c diff -u src/sys/dev/audio.c:1.415 src/sys/dev/audio.c:1.416 --- src/sys/dev/audio.c:1.415 Thu Oct 26 22:38:27 2017 +++ src/sys/dev/audio.c Thu Oct 26 22:45:00 2017 @@ -1,4 +1,4 @@ -/* $NetBSD: audio.c,v 1.415 2017/10/26 22:38:27 nat Exp $ */ +/* $NetBSD: audio.c,v 1.416 2017/10/26 22:45:00 nat Exp $ */ /*- * Copyright (c) 2016 Nathanial Sloss <nathanialsl...@yahoo.com.au> @@ -148,7 +148,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: audio.c,v 1.415 2017/10/26 22:38:27 nat Exp $"); +__KERNEL_RCSID(0, "$NetBSD: audio.c,v 1.416 2017/10/26 22:45:00 nat Exp $"); #ifdef _KERNEL_OPT #include "audio.h" @@ -4769,14 +4769,16 @@ cleanup: blks = ai->hiwat; if (blks > vc->sc_mpr.maxblks) blks = vc->sc_mpr.maxblks; - if (blks < 2) - blks = 2; + if (blks < PREFILL_BLOCKS + 1) + blks = PREFILL_BLOCKS + 1; vc->sc_mpr.usedhigh = blks * vc->sc_mpr.blksize; } if (SPECIFIED(ai->lowat)) { blks = ai->lowat; if (blks > vc->sc_mpr.maxblks - 1) blks = vc->sc_mpr.maxblks - 1; + if (blks < PREFILL_BLOCKS) + blks = PREFILL_BLOCKS; vc->sc_mpr.usedlow = blks * vc->sc_mpr.blksize; } if (SPECIFIED(ai->hiwat) || SPECIFIED(ai->lowat)) {