efi/apple-properties: use PROPERTY_ENTRY_U8_ARRAY_LEN
authorDmitry Torokhov <dmitry.torokhov@gmail.com>
Wed, 23 Oct 2019 20:02:21 +0000 (13:02 -0700)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>
Tue, 5 Nov 2019 22:18:10 +0000 (23:18 +0100)
Let's switch to using PROPERTY_ENTRY_U8_ARRAY_LEN() to initialize
property entries. Also, when dumping data, rely on local variables
instead of poking into the property entry structure directly.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
drivers/firmware/efi/apple-properties.c

index 0e206c9..5ccf399 100644 (file)
@@ -53,7 +53,8 @@ static void __init unmarshal_key_value_pairs(struct dev_header *dev_header,
 
        for (i = 0; i < dev_header->prop_count; i++) {
                int remaining = dev_header->len - (ptr - (void *)dev_header);
-               u32 key_len, val_len;
+               u32 key_len, val_len, entry_len;
+               const u8 *entry_data;
                char *key;
 
                if (sizeof(key_len) > remaining)
@@ -85,17 +86,14 @@ static void __init unmarshal_key_value_pairs(struct dev_header *dev_header,
                ucs2_as_utf8(key, ptr + sizeof(key_len),
                             key_len - sizeof(key_len));
 
-               entry[i].name = key;
-               entry[i].length = val_len - sizeof(val_len);
-               entry[i].is_array = !!entry[i].length;
-               entry[i].type = DEV_PROP_U8;
-               entry[i].pointer.u8_data = ptr + key_len + sizeof(val_len);
-
+               entry_data = ptr + key_len + sizeof(val_len);
+               entry_len = val_len - sizeof(val_len);
+               entry[i] = PROPERTY_ENTRY_U8_ARRAY_LEN(key, entry_data,
+                                                      entry_len);
                if (dump_properties) {
-                       dev_info(dev, "property: %s\n", entry[i].name);
+                       dev_info(dev, "property: %s\n", key);
                        print_hex_dump(KERN_INFO, pr_fmt(), DUMP_PREFIX_OFFSET,
-                               16, 1, entry[i].pointer.u8_data,
-                               entry[i].length, true);
+                               16, 1, entry_data, entry_len, true);
                }
 
                ptr += key_len + val_len;