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tracing/probes: Fix to return NULL and keep using current argc

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Fix to return NULL and keep using current argc when there is
$argN and the BTF is not available.

Link: https://lore.kernel.org/all/168584574094.2056209.2694238431743782342.stgit@mhiramat.roam.corp.google.com/

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202306030940.Cej2JoUx-lkp@intel.com/
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
This commit is contained in:
Masami Hiramatsu (Google) 2023-06-04 11:29:00 +09:00
parent 5985329c70
commit ed5f297802
1 changed files with 2 additions and 1 deletions
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3
kernel/trace/trace_probe.c
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@ -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;