Re: [PATCH 1/1] objdump: Fix disassembly if CROSS_COMPILE not set

From: Josh Poimboeuf
Date: Thu Feb 20 2025 - 17:12:03 EST


On Sat, Feb 15, 2025 at 02:23:21PM +0000, David Laight wrote:
> If CROSS_COMPILE isn't set and -v specified the code tries to run
> system("(null)objdump ....")
> which really doesn't work very well.
> Fix by changing NULL to "".
>
> Fixes: ca653464dd097 ("objtool: Add verbose option for disassembling affected functions")
> Signed-off-by: David Laight <david.laight.linux@xxxxxxxxx>
> ---
> tools/objtool/check.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/tools/objtool/check.c b/tools/objtool/check.c
> index 753dbc4f8198..c1b771e772fd 100644
> --- a/tools/objtool/check.c
> +++ b/tools/objtool/check.c
> @@ -4506,6 +4506,8 @@ static int disas_funcs(const char *funcs)
> char *cmd;
>
> cross_compile = getenv("CROSS_COMPILE");
> + if (!cross_compile)
> + cross_compile = "";

Makes sense, I'm not sure how this works for me already? Regardless:

Acked-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>

Peter, can you take this one?

--
Josh