Module Name: src
Committed By: mlelstv
Date: Thu Aug 15 21:08:20 UTC 2024
Modified Files:
src/sys/dev: vnd.c
Log Message:
Avoid division by zero when the backing file is revoked (e.g. from umount -f).
To generate a diff of this commit:
cvs rdiff -u -r1.289 -r1.290 src/sys/dev/vnd.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/vnd.c
diff -u src/sys/dev/vnd.c:1.289 src/sys/dev/vnd.c:1.290
--- src/sys/dev/vnd.c:1.289 Fri May 19 15:42:43 2023
+++ src/sys/dev/vnd.c Thu Aug 15 21:08:20 2024
@@ -1,4 +1,4 @@
-/* $NetBSD: vnd.c,v 1.289 2023/05/19 15:42:43 mlelstv Exp $ */
+/* $NetBSD: vnd.c,v 1.290 2024/08/15 21:08:20 mlelstv Exp $ */
/*-
* Copyright (c) 1996, 1997, 1998, 2008, 2020 The NetBSD Foundation, Inc.
@@ -91,7 +91,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: vnd.c,v 1.289 2023/05/19 15:42:43 mlelstv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: vnd.c,v 1.290 2024/08/15 21:08:20 mlelstv Exp $");
#if defined(_KERNEL_OPT)
#include "opt_vnd.h"
@@ -875,6 +875,9 @@ handle_with_strategy(struct vnd_softc *v
bn = obp->b_rawblkno * vnd->sc_dkdev.dk_label->d_secsize;
bsize = vnd->sc_vp->v_mount->mnt_stat.f_iosize;
+ /* use default if the filesystem didn't specify a block size */
+ if (bsize <= 0)
+ bsize = BLKDEV_IOSIZE;
skipped = 0;
/*
