i think you mean NULL instead of NUL
that said, the kernel is smart enough to replace NULL with "(null)",
so i don't see much point in this patch
-mike
On Wed, May 29, 2013 at 5:43 AM, Chen Gang <gang.chen@xxxxxxxxxxx> wrote:
>
> When it is kernel symbol, the 'modname' will be NUL, and the 'symname'
> contents the valid name.
>
> So for sprintf(), need avoid NUL for '%s'.
>
>
> Signed-off-by: Chen Gang <gang.chen@xxxxxxxxxxx>
> ---
> arch/blackfin/kernel/trace.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/arch/blackfin/kernel/trace.c b/arch/blackfin/kernel/trace.c
> index c36efa0..11f98bb 100644
> --- a/arch/blackfin/kernel/trace.c
> +++ b/arch/blackfin/kernel/trace.c
> @@ -51,7 +51,7 @@ void decode_address(char *buf, unsigned long address)
> if (!modname)
> modname = delim = "";
> sprintf(buf, "{ %s%s%s%s + 0x%lx }",
> - delim, modname, delim, symname,
> + delim, modname ? : "kernel", delim, symname,
> (unsigned long)offset);
> return;
> }
> --
> 1.7.7.6
> --
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