kasan: simplify saving extra info into tracks

[linux-2.6-microblaze.git] / mm / kasan / common.c

diff --git a/mm/kasan/common.c b/mm/kasan/common.c
index 86adf80..a486e9b 100644 (file)
--- a/mm/kasan/common.c
+++ b/mm/kasan/common.c
@@ -48,7 +48,7 @@ depot_stack_handle_t kasan_save_stack(gfp_t flags, depot_flags_t depot_flags)
        return stack_depot_save_flags(entries, nr_entries, flags, depot_flags);
 }
 
-void kasan_set_track(struct kasan_track *track, gfp_t flags)
+void kasan_set_track(struct kasan_track *track, depot_stack_handle_t stack)
 {
 #ifdef CONFIG_KASAN_EXTRA_INFO
        u32 cpu = raw_smp_processor_id();
@@ -58,8 +58,16 @@ void kasan_set_track(struct kasan_track *track, gfp_t flags)
        track->timestamp = ts_nsec >> 3;
 #endif /* CONFIG_KASAN_EXTRA_INFO */
        track->pid = current->pid;
-       track->stack = kasan_save_stack(flags,
+       track->stack = stack;
+}
+
+void kasan_save_track(struct kasan_track *track, gfp_t flags)
+{
+       depot_stack_handle_t stack;
+
+       stack = kasan_save_stack(flags,
                        STACK_DEPOT_FLAG_CAN_ALLOC | STACK_DEPOT_FLAG_GET);
+       kasan_set_track(track, stack);
 }
 
 #if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)