Paolo Bonzini <pbonz...@redhat.com> writes: > Whenever blk_fill_sghdr_rq fails, its errno code is ignored and changed to > EFAULT. This can cause very confusing errors: > > $ sg_persist -k /dev/sda > persistent reservation in: pass through os error: Bad address > > The fix is trivial, just propagate the return value from > blk_fill_sghdr_rq. > > Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
Acked-by: Jeff Moyer <jmo...@redhat.com> > --- > block/scsi_ioctl.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c > index 55b6f15dac90..dda653ce7b24 100644 > --- a/block/scsi_ioctl.c > +++ b/block/scsi_ioctl.c > @@ -326,8 +326,8 @@ static int sg_io(struct request_queue *q, struct gendisk > *bd_disk, > goto out_put_request; > } > > - ret = -EFAULT; > - if (blk_fill_sghdr_rq(q, rq, hdr, mode)) > + ret = blk_fill_sghdr_rq(q, rq, hdr, mode); > + if (ret < 0) > goto out_free_cdb; > > ret = 0; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/