aio: fix kioctx leak introduced by "aio: Fix a trinity splat"

e34ecee reworked the percpu reference counting to correct a bug trinity found. Unfortunately, the change lead to kioctxes being leaked because there was no final reference count to put. Add that reference count back in to fix things. Signed-off-by: Benjamin LaHaise <[email protected]> Cc: [email protected]
alberto-fc · Dec 21, 2013 · 1881686 · 1881686
1 parent b7000ad
commit 1881686
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/fs/aio.c b/fs/aio.c
@@ -652,7 +652,8 @@ static struct kioctx *ioctx_alloc(unsigned nr_events)
 	aio_nr += ctx->max_reqs;
 	spin_unlock(&aio_nr_lock);
 
-	percpu_ref_get(&ctx->users); /* io_setup() will drop this ref */
+	percpu_ref_get(&ctx->users);	/* io_setup() will drop this ref */
+	percpu_ref_get(&ctx->reqs);	/* free_ioctx_users() will drop this */
 
 	err = ioctx_add_table(ctx, mm);
 	if (err)