On Wed, Mar 20, 2019 at 07:15:00PM +0000, Dexuan Cui wrote:
> > -----Original Message-----
> > From: gregkh@xxxxxxxxxxxxxxxxxxx <gregkh@xxxxxxxxxxxxxxxxxxx>
> > Sent: Wednesday, March 20, 2019 8:35 AM
> > To: Dexuan Cui <decui@xxxxxxxxxxxxx>; dan.j.williams@xxxxxxxxx;
> > stable@xxxxxxxxxxxxxxx
> > Cc: stable@xxxxxxxxxxxxxxx
> > Subject: FAILED: patch "[PATCH] nfit: acpi_nfit_ctl(): Check out_obj->type in the
> > right place" failed to apply to 4.9-stable tree
> >
> >
> > The patch below does not apply to the 4.9-stable tree.
> > If someone wants it applied there, or to any other stable or longterm
> > tree, then please email the backport, including the original git commit
> > id to <stable@xxxxxxxxxxxxxxx>.
> >
> > thanks,
> >
> > greg k-h
> >
> > ------------------ original commit in Linus's tree ------------------
> >
> > From 43f89877f26671c6309cd87d7364b1a3e66e71cf Mon Sep 17 00:00:00
> > 2001
> > From: Dexuan Cui <decui@xxxxxxxxxxxxx>
> > Date: Wed, 30 Jan 2019 01:23:01 +0000
> > Subject: [PATCH] nfit: acpi_nfit_ctl(): Check out_obj->type in the right place
> >
> > In the case of ND_CMD_CALL, we should also check out_obj->type.
> >
> > The patch uses out_obj->type, which is a short alias to
> > out_obj->package.type.
> >
> > Fixes: 31eca76ba2fc ("nfit, libnvdimm: limited/whitelisted dimm command
> > marshaling mechanism")
> > Cc: <stable@xxxxxxxxxxxxxxx>
> > Signed-off-by: Dexuan Cui <decui@xxxxxxxxxxxxx>
> > Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx>
> >
> > diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
> > index 95db6a2d0d6b..1598e3a121a6 100644
> > --- a/drivers/acpi/nfit/core.c
> > +++ b/drivers/acpi/nfit/core.c
> > @@ -535,6 +535,13 @@ int acpi_nfit_ctl(struct nvdimm_bus_descriptor
> > *nd_desc, struct nvdimm *nvdimm,
> > return -EINVAL;
> > }
> >
> > + if (out_obj->type != ACPI_TYPE_BUFFER) {
> > + dev_dbg(dev, "%s unexpected output object type cmd: %s
> > type: %d\n",
> > + dimm_name, cmd_name, out_obj->type);
> > + rc = -EINVAL;
> > + goto out;
> > + }
> > +
> > if (call_pkg) {
> > call_pkg->nd_fw_size = out_obj->buffer.length;
> > memcpy(call_pkg->nd_payload + call_pkg->nd_size_in,
> > @@ -553,13 +560,6 @@ int acpi_nfit_ctl(struct nvdimm_bus_descriptor
> > *nd_desc, struct nvdimm *nvdimm,
> > return 0;
> > }
> >
> > - if (out_obj->package.type != ACPI_TYPE_BUFFER) {
> > - dev_dbg(dev, "%s unexpected output object type cmd: %s
> > type: %d\n",
> > - dimm_name, cmd_name, out_obj->type);
> > - rc = -EINVAL;
> > - goto out;
> > - }
> > -
> > dev_dbg(dev, "%s cmd: %s output length: %d\n", dimm_name,
> > cmd_name, out_obj->buffer.length);
> > print_hex_dump_debug(cmd_name, DUMP_PREFIX_OFFSET, 4, 4,
>
> Hi,
> I rebased the patch on linux-4.9.y (Linux 4.9.164) as below (I also attached it
> for your convenience):
Thanks for this and the 4.14 patch, now queued up.
greg k-h
