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> kernel/locking/lockdep_proc.c: In function 'seq_lock_time':
> >> kernel/locking/lockdep_proc.c:424:23: warning: comparison of distinct pointer types lacks a cast [enabled by default]
>
> 418 static void seq_lock_time(struct seq_file *m, struct lock_time *lt)
> 419 {
> 420 seq_printf(m, "%14lu", lt->nr);
> 421 seq_time(m, lt->min);
> 422 seq_time(m, lt->max);
> 423 seq_time(m, lt->total);
> > 424 seq_time(m, lt->nr ? do_div(lt->total, lt->nr) : 0);
> 425 }
My compiler refuses to actually say that; but it looks wrong in that
do_div() returns the remainder, not the divisor.
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Tested-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Cc: Davidlohr Bueso <davidlohr@hp.com>
Link: http://lkml.kernel.org/r/20131106164230.GE16117@laptop.programming.kicks-ass.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Peter Zijlstra