greybus/camera - stop messing with ->d_iname

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Link: https://lore.kernel.org/r/20250112080705.141166-12-viro@zeniv.linux.org.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: Al Viro

drivers/staging/greybus/camera.c

@@ -1128,18 +1128,7 @@ static ssize_t gb_camera_debugfs_write(struct file *file,
 
 static int gb_camera_debugfs_open(struct inode *inode, struct file *file)
 {
-	unsigned int i;
-
-	for (i = 0; i < ARRAY_SIZE(gb_camera_debugfs_entries); ++i) {
-		const struct gb_camera_debugfs_entry *entry =
-			&gb_camera_debugfs_entries[i];
-
-		if (!strcmp(file->f_path.dentry->d_iname, entry->name)) {
-			file->private_data = (void *)entry;
-			break;
-		}
-	}
-
+	file->private_data = (void *)debugfs_get_aux(file);
 	return 0;
 }
 
@@ -1175,8 +1164,8 @@ static int gb_camera_debugfs_init(struct gb_camera *gcam)
 
 		gcam->debugfs.buffers[i].length = 0;
 
-		debugfs_create_file(entry->name, entry->mask,
-				    gcam->debugfs.root, gcam,
+		debugfs_create_file_aux(entry->name, entry->mask,
+				    gcam->debugfs.root, gcam, entry,
 				    &gb_camera_debugfs_ops);
 	}