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-rw-r--r--sbin/newfs/mkfs.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sbin/newfs/mkfs.c b/sbin/newfs/mkfs.c
index faadedb..58e736d 100644
--- a/sbin/newfs/mkfs.c
+++ b/sbin/newfs/mkfs.c
@@ -849,7 +849,8 @@ wtfs(ufs2_daddr_t bno, int size, char *bf)
{
if (Nflag)
return;
- bwrite(&disk, bno, bf, size);
+ if (bwrite(&disk, bno, bf, size) < 0)
+ err(36, "wtfs: %d bytes at sector %jd", size, (intmax_t)bno);
}
/*
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