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> --- 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;
