[SeaBIOS] [PATCH 1/2] init_virtio_blk, init_virtio_scsi: reset HBA on error
Laszlo Ersek
lersek at redhat.com
Thu Mar 13 00:02:32 CET 2014
comments below
On 03/12/14 21:42, Eric Northup wrote:
> Extend commit 5f2d17d35b2339526f3b3d580b279ea78e406a25: reset on all error
> paths, and also for virtio_blk not just virtio_scsi.
>
> Signed-off-by: Eric Northup <digitaleric at google.com>
> ---
> src/hw/virtio-blk.c | 1 +
> src/hw/virtio-scsi.c | 5 ++---
> 2 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/src/hw/virtio-blk.c b/src/hw/virtio-blk.c
> index 7b22bf5..e2dbd3c 100644
> --- a/src/hw/virtio-blk.c
> +++ b/src/hw/virtio-blk.c
> @@ -153,6 +153,7 @@ init_virtio_blk(struct pci_device *pci)
> return;
>
> fail:
> + vp_reset(ioaddr);
> free(vdrive->vq);
> free(vdrive);
> }
Seems correct and justified. The first jump to the "fail" label is after
vp_init_simple(), which means both that "ioaddr" is valid, and that
we've changed the device status to (ACK | DRIVER).
> diff --git a/src/hw/virtio-scsi.c b/src/hw/virtio-scsi.c
> index 48fb3e1..8f96687 100644
> --- a/src/hw/virtio-scsi.c
> +++ b/src/hw/virtio-scsi.c
> @@ -158,14 +158,13 @@ init_virtio_scsi(struct pci_device *pci)
> for (tot = 0, i = 0; i < 256; i++)
> tot += virtio_scsi_scan_target(pci, ioaddr, vq, i);
>
> - if (!tot) {
> - vp_reset(ioaddr);
> + if (!tot)
> goto fail;
> - }
>
> return;
>
> fail:
> + vp_reset(ioaddr);
> free(vq);
> }
>
>
Same here. I guess I wanted to be surgical in my patch. (Good excuse,
isn't it? :))
Reviewed-by: Laszlo Ersek <lersek at redhat.com>
Thanks,
Laszlo
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