Commit 641d2f63 authored Nov 18, 2008 by Vegard Nossum Committed by Ingo Molnar Nov 18, 2008

trace: introduce missing mutex_unlock()

Impact: fix tracing buffer mutex leak in case of allocation failure

This error was spotted by this semantic patch:

  http://www.emn.fr/x-info/coccinelle/mut.html



It looks correct as far as I can tell. Please review.

Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

parent 5177dc3f

kernel/trace/ring_buffer.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -617,6 +617,7 @@ int ring_buffer_resize(struct ring_buffer *buffer, unsigned long size)
		list_del_init(&page->list);
		free_buffer_page(page);
		}
		mutex_unlock(&buffer->mutex);
		return -ENOMEM;
		}