[PATCH 2/2] powerpc: Provide a fallback for old kernels without PTRACE_GETREGS

[Dmitry V. Levin]

On Mon, Jun 10, 2013 at 09:48:28PM +1000, Anton Blanchard wrote:
[...]
> @@ -1042,6 +1091,8 @@ get_regs(pid_t pid)
>  	get_regs_error = ptrace(PTRACE_GETREGS, pid, (char *)&sparc_regs, 0);
>  # elif defined(POWERPC)
>  	get_regs_error = ptrace(PTRACE_GETREGS, pid, NULL, (long) &ppc_regs);
> +	if (get_regs_error)
> +		get_regs_error = powerpc_getregs_old(pid);

I suggest checking errno, there is no need to try the fallback after genuine
ptrace errors.


-- 
ldv
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