On Wed, Nov 21, 2018 at 07:28:16PM -0500, Steven Rostedt wrote:
> @@ -188,14 +186,20 @@ int function_graph_enter(unsigned long ret, unsigned
> long func,
> struct ftrace_graph_ent trace;
>
> trace.func = func;
> - trace.depth = current->curr_ret_stack + 1;
> + trace.depth = ++current->curr_ret_depth;
>
> /* Only trace if the calling function expects to */
> if (!ftrace_graph_entry(&trace))
> - return -EBUSY;
> + goto out;
>
> - return ftrace_push_return_trace(ret, func, &trace.depth,
> - frame_pointer, retp);
> + if (ftrace_push_return_trace(ret, func,
> + frame_pointer, retp))
You can unwrap that line, by my counting that's at 69 chars, so unless
you're editing on a C64 it should fit your screen.
> + goto out;
> +
> + return 0;
> + out:
> + current->curr_ret_depth--;
> + return -EBUSY;
> }
[diff "default"]
xfuncname = "^[[:alpha:]$_].*[^:]$"
avoids the need for that ludicrous label indenting.
Also, "error" might be a better label name.
