HID: hid-debug: Show rdesc for unclaimed devices

Since commit a7197c2e, the raw report descriptor is available also for
unclaimed devices. This patchs make it show in the rdesc debugfs node.

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

1 files changed, 9 insertions, 3 deletions

diff --git a/drivers/hid/hid-debug.c b/drivers/hid/hid-debug.c
index 01dd9a7daf7a..933fff0fff1f 100644
--- a/drivers/hid/hid-debug.c
+++ b/drivers/hid/hid-debug.c
@@ -911,15 +911,21 @@ static void hid_dump_input_mapping(struct hid_device *hid, struct seq_file *f)
 
 }
 
-
 static int hid_debug_rdesc_show(struct seq_file *f, void *p)
 {
         struct hid_device *hdev = f->private;
+        const __u8 *rdesc = hdev->rdesc;
+        unsigned rsize = hdev->rsize;
         int i;
 
+        if (!rdesc) {
+                rdesc = hdev->dev_rdesc;
+                rsize = hdev->dev_rsize;
+        }
+
         /* dump HID report descriptor */
-        for (i = 0; i < hdev->rsize; i++)
-                seq_printf(f, "%02x ", hdev->rdesc[i]);
+        for (i = 0; i < rsize; i++)
+                seq_printf(f, "%02x ", rdesc[i]);
         seq_printf(f, "\n\n");
 
         /* dump parsed data and input mappings */