debugobjects: correct the usage of fixup call results

If debug_object_fixup() return non-zero when problem has been fixed.
But the code got it backwards, it taks 0 as fixup successfully.  So fix
it.

Signed-off-by: Du, Changbin <changbin.du@intel.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Josh Triplett <josh@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tejun Heo <tj@kernel.org>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/lib/debugobjects.c b/lib/debugobjects.c
index a9cee16..2f07c8c 100644 (file)
--- a/lib/debugobjects.c
+++ b/lib/debugobjects.c
@@ -415,7 +415,7 @@ int debug_object_activate(void *addr, struct debug_obj_descr *descr)
                        state = obj->state;
                        raw_spin_unlock_irqrestore(&db->lock, flags);
                        ret = debug_object_fixup(descr->fixup_activate, addr, state);
-                       return ret ? -EINVAL : 0;
+                       return ret ? 0 : -EINVAL;
 
                case ODEBUG_STATE_DESTROYED:
                        debug_print_object(obj, "activate");