Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
authorLinus Torvalds <torvalds@linux-foundation.org>
Sun, 2 Jun 2019 18:04:42 +0000 (11:04 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Sun, 2 Jun 2019 18:04:42 +0000 (11:04 -0700)
Pull stacktrace fix from Ingo Molnar:
 "Fix a stack_trace_save_tsk_reliable() regression"

* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  stacktrace: Unbreak stack_trace_save_tsk_reliable()

kernel/stacktrace.c

index 5667f1da3eded0ee81ea430179b73ee8a9c2b6ce..36139de0a3c4bcb7ba7da936a8d43fba08aa5929 100644 (file)
@@ -207,7 +207,7 @@ int stack_trace_save_tsk_reliable(struct task_struct *tsk, unsigned long *store,
 
        ret = arch_stack_walk_reliable(consume_entry, &c, tsk);
        put_task_stack(tsk);
-       return ret;
+       return ret ? ret : c.len;
 }
 #endif