mm/kasan: Remove the ULONG_MAX stack trace hackery

No architecture terminates the stack trace with ULONG_MAX anymore. Remove the cruft. Signed-off-by: Thomas Gleixner <[email protected]> Acked-by: Dmitry Vyukov <[email protected]> Acked-by: Peter Zijlstra (Intel) <[email protected]> Cc: Josh Poimboeuf <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: Steven Rostedt <[email protected]> Cc: Alexander Potapenko <[email protected]> Cc: Andrey Ryabinin <[email protected]> Cc: [email protected] Cc: [email protected] Link: https://lkml.kernel.org/r/[email protected]
vieko · Apr 14, 2019 · ead97a4 · ead97a4
1 parent 4621c98
commit ead97a4
Showing 1 changed file with 0 additions and 3 deletions.
diff --git a/mm/kasan/common.c b/mm/kasan/common.c
@@ -74,9 +74,6 @@ static inline depot_stack_handle_t save_stack(gfp_t flags)
 
 	save_stack_trace(&trace);
 	filter_irq_stacks(&trace);
-	if (trace.nr_entries != 0 &&
-	    trace.entries[trace.nr_entries-1] == ULONG_MAX)
-		trace.nr_entries--;
 
 	return depot_save_stack(&trace, flags);
 }