UBUNTU: Ubuntu-5.15.0-39.42

[mirror_ubuntu-jammy-kernel.git] / lib / dynamic_debug.c

diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
index cb5abb42c16a269caddbbdc73d7ce6ce842440e5..84c16309cc63789b4b3dec4af26576e07935e9f6 100644 (file)
--- a/lib/dynamic_debug.c
+++ b/lib/dynamic_debug.c
@@ -761,6 +761,18 @@ static __init int ddebug_setup_query(char *str)
 
 __setup("ddebug_query=", ddebug_setup_query);
 
+/*
+ * Install a noop handler to make dyndbg look like a normal kernel cli param.
+ * This avoids warnings about dyndbg being an unknown cli param when supplied
+ * by a user.
+ */
+static __init int dyndbg_setup(char *str)
+{
+       return 1;
+}
+
+__setup("dyndbg=", dyndbg_setup);
+
 /*
  * File_ops->write method for <debugfs>/dynamic_debug/control.  Gathers the
  * command text from userspace, parses and executes it.