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| author | mm <mm@FreeBSD.org> | 2010-08-09 06:36:11 +0000 |
|---|---|---|
| committer | mm <mm@FreeBSD.org> | 2010-08-09 06:36:11 +0000 |
| commit | fe97da49a34a2f5b4193ff5c861ba1a2d063e409 (patch) | |
| tree | 1b836df2a6d780d4e7351e1faf609c0574a01810 /sys/boot/zfs | |
| parent | f0e5a03c1591762c5e41ee125b56c09ce578e635 (diff) | |
| download | FreeBSD-src-fe97da49a34a2f5b4193ff5c861ba1a2d063e409.zip FreeBSD-src-fe97da49a34a2f5b4193ff5c861ba1a2d063e409.tar.gz | |
Return EIO if vdev->v_phys_read is NULL.
This fixes booting from a ZFS mirror with a unavailable primary device.
PR: kern/148655
Reviewed by: avg
Approved by: delphij (mentor)
MFC after: 3 days
Diffstat (limited to 'sys/boot/zfs')
| -rw-r--r-- | sys/boot/zfs/zfsimpl.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/boot/zfs/zfsimpl.c b/sys/boot/zfs/zfsimpl.c index 5be7afa..e645eba 100644 --- a/sys/boot/zfs/zfsimpl.c +++ b/sys/boot/zfs/zfsimpl.c @@ -328,6 +328,9 @@ vdev_read_phys(vdev_t *vdev, const blkptr_t *bp, void *buf, size_t psize; int rc; + if (!vdev->v_phys_read) + return (EIO); + if (bp) { psize = BP_GET_PSIZE(bp); } else { |
