On Wed, Mar 19, 2025 at 02:37:06PM -0700, Song Liu wrote:
> +noinline noinstr int arch_stack_walk_reliable(stack_trace_consume_fn
> consume_entry,
> + void *cookie, struct task_struct *task)
> +{
> + struct kunwind_consume_entry_data data = {
> + .consume_entry = consume_entry,
> + .cookie = cookie,
> + };
> + int ret;
> +
> + ret = kunwind_stack_walk(arch_kunwind_consume_entry, &data, task, NULL,
> true);
> + if (ret == -ENOENT)
> + ret = 0;
Is this check redundant with the -ENOENT check in do_kunwind() which
already converts ret to zero?
--
Josh
