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* FAILED: patch "[PATCH] nfit: acpi_nfit_ctl(): Check out_obj->type in the right place" failed to apply to 4.14-stable tree
@ 2019-03-20 15:35 gregkh
  2019-03-20 19:09 ` Dexuan Cui
  0 siblings, 1 reply; 3+ messages in thread
From: gregkh @ 2019-03-20 15:35 UTC (permalink / raw)
  To: decui, dan.j.williams, stable; +Cc: stable


The patch below does not apply to the 4.14-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@vger.kernel.org>.

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From 43f89877f26671c6309cd87d7364b1a3e66e71cf Mon Sep 17 00:00:00 2001
From: Dexuan Cui <decui@microsoft.com>
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@vger.kernel.org>
Signed-off-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

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,


^ permalink raw reply related	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2019-03-20 19:12 UTC | newest]

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2019-03-20 15:35 FAILED: patch "[PATCH] nfit: acpi_nfit_ctl(): Check out_obj->type in the right place" failed to apply to 4.14-stable tree gregkh
2019-03-20 19:09 ` Dexuan Cui
2019-03-20 19:12   ` Dexuan Cui

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