diff options
Diffstat (limited to 'sys/kern/subr_disklabel.c')
| -rw-r--r-- | sys/kern/subr_disklabel.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sys/kern/subr_disklabel.c b/sys/kern/subr_disklabel.c index 05339cb..d69e906 100644 --- a/sys/kern/subr_disklabel.c +++ b/sys/kern/subr_disklabel.c @@ -219,6 +219,8 @@ readdisklabel(dev, lp) DEV_STRATEGY(bp, 1); if (bufwait(bp)) msg = "I/O error"; + else if (bp->b_resid != 0) + msg = "disk too small for a label"; else for (dlp = (struct disklabel *)bp->b_data; dlp <= (struct disklabel *)((char *)bp->b_data + lp->d_secsize - sizeof(*dlp)); @@ -323,6 +325,10 @@ writedisklabel(dev, lp) error = bufwait(bp); if (error) goto done; + if (bp->b_resid != 0) { + error = ENOSPC; + goto done; + } for (dlp = (struct disklabel *)bp->b_data; dlp <= (struct disklabel *) ((char *)bp->b_data + lp->d_secsize - sizeof(*dlp)); |
