Commit d1f1e9c0 authored Nov 15, 2008 by Markus Metzger Committed by Ingo Molnar Nov 16, 2008

x86, bts: fix unlock problem in ds.c



Fix a problem where ds_request() returned an error without releasing the
ds lock.

Reported-by: Stephane Eranian <eranian@gmail.com>
Signed-off-by: Markus Metzger <markus.t.metzger@gmail.com>
Cc: <stable@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

parent 6cd10f8d

arch/x86/kernel/ds.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -384,8 +384,9 @@ static int ds_request(struct task_struct task, void base, size_t size,

		spin_lock(&ds_lock);

		error = -EPERM;
		if (!check_tracer(task))
		return -EPERM;
		goto out_unlock;

		error = -ENOMEM;
		context = ds_alloc_context(task);