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authorDexuan Cui <decui@microsoft.com>2019-01-30 01:23:01 +0000
committerDan Williams <dan.j.williams@intel.com>2019-01-29 22:08:34 -0800
commit43f89877f26671c6309cd87d7364b1a3e66e71cf (patch)
treee842a79843a072606ef3846da0f252fb6ab973d2 /drivers/acpi/nfit
parentf596c8844fe1d0022007ae6c7a377361fb653eff (diff)
downloadlinux-43f89877f26671c6309cd87d7364b1a3e66e71cf.tar.gz
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>
Diffstat (limited to 'drivers/acpi/nfit')
-rw-r--r--drivers/acpi/nfit/core.c14
1 files changed, 7 insertions, 7 deletions
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,