added help support for devfs_driver debugger command

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@24481 a95241bf-73f2-0310-859d-f6bbb57e9c96
2008-03-19 22:58:48 +00:00 · 2008-03-19 22:58:48 +00:00 · 957d7d0732
commit 957d7d0732
parent 76c69c6fe6
1 changed files with 5 additions and 0 deletions
--- a/src/system/kernel/fs/devfs.cpp
+++ b/src/system/kernel/fs/devfs.cpp
@ -1431,6 +1431,11 @@ dump_driver(int argc, char **argv)
 		return 0;
 	}

+	if (!strcmp(argv[1], "--help")) {
+		kprintf("usage: %s [name]\n", argv[0]);
+		return 0;
+	}
+
 	driver_entry *driver = (driver_entry *)hash_lookup(
 		sDeviceFileSystem->driver_hash, argv[1]);
 	if (driver == NULL) {