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Diffstat (limited to 'sbin/fsck_ext2fs/setup.c')
-rw-r--r--sbin/fsck_ext2fs/setup.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/sbin/fsck_ext2fs/setup.c b/sbin/fsck_ext2fs/setup.c
index 32d7e62ef63..f2748b26f5d 100644
--- a/sbin/fsck_ext2fs/setup.c
+++ b/sbin/fsck_ext2fs/setup.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: setup.c,v 1.26 2015/08/20 22:02:20 deraadt Exp $ */
+/* $OpenBSD: setup.c,v 1.27 2015/09/10 15:21:40 deraadt Exp $ */
/* $NetBSD: setup.c,v 1.1 1997/06/11 11:22:01 bouyer Exp $ */
/*
@@ -212,7 +212,7 @@ setup(char *dev)
(unsigned)(maxino + 1));
goto badsblabel;
}
- typemap = calloc((unsigned)(maxino + 1), sizeof(char));
+ typemap = calloc((unsigned)(maxino + 1), sizeof(u_char));
if (typemap == NULL) {
printf("cannot alloc %u bytes for typemap\n",
(unsigned)(maxino + 1));
@@ -449,6 +449,10 @@ calcsb(char *dev, int devfd, struct m_ext2fs *fs)
}
memset(fs, 0, sizeof(struct m_ext2fs));
fs->e2fs_bsize = DISKLABELV1_FFS_FSIZE(pp->p_fragblock); /* XXX */
+ if (fs->e2fs_bsize == 0) {
+ pfatal("%s: BLOCK SIZE DETERMINED TO BE ZERO\n", dev);
+ return (0);
+ }
fs->e2fs.e2fs_log_bsize = fs->e2fs_bsize / 1024;
fs->e2fs.e2fs_bcount = (pp->p_size * DEV_BSIZE) / fs->e2fs_bsize;
fs->e2fs.e2fs_first_dblock = (fs->e2fs.e2fs_log_bsize == 0) ? 1 : 0;