On Sun, 4 Jun 2023 11:29:00 +0900 "Masami Hiramatsu (Google)" <mhiramat@xxxxxxxxxx> wrote: > From: Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx> > > Fix to return NULL and keep using current argc when there is > $argN and the BTF is not available. > > Reported-by: kernel test robot <lkp@xxxxxxxxx> > Closes: https://lore.kernel.org/oe-kbuild-all/202306030940.Cej2JoUx-lkp@xxxxxxxxx/ > Signed-off-by: Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx> Reviewed-by: Steven Rostedt (Google) <rostedt@xxxxxxxxxxx> -- Steve > --- > kernel/trace/trace_probe.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/kernel/trace/trace_probe.c b/kernel/trace/trace_probe.c > index ba1c6e059b51..473e1c43bc57 100644 > --- a/kernel/trace/trace_probe.c > +++ b/kernel/trace/trace_probe.c > @@ -1273,7 +1273,8 @@ const char **traceprobe_expand_meta_args(int argc, const char *argv[], > trace_probe_log_err(0, NOSUP_BTFARG); > return (const char **)params; > } > - return 0; > + *new_argc = argc; > + return NULL; > } > ctx->params = params; > ctx->nr_params = nr_params;
