Re: [PATCH] IA64: cast has a higher precedence than '?'

[Ingo Molnar <mingo@elte.hu>]

* Roel Kluin <roel.kluin@gmail.com> wrote:

> because of the ?: this is not strictly necessary, but I think the added
> parentheses are nice here.
> 
> --------------------------->8-------------8<------------------------------
> A cast has a higher precedence than '?'

> @@ -61,7 +61,7 @@ static inline void syscall_set_return_value(struct task_struct *task,
>  					    struct pt_regs *regs,
>  					    int error, long val)
>  {
> -	regs->ax = (long) error ?: val;
> +	regs->ax = (long) (error ?: val);

it doesnt matter, does it? the 32-bit entity here is 'error', so 
casting it to 64-bit long is just as fine as casting the end 
result to long. In fact this should be the best:

	regs->ax = error ?: val;

as the 32-bit 'error' will be extended to 64 bits anyway.

	Ingo