trace: introduce missing mutex_unlock()

From: Vegard Nossum <[email protected]>
Date: Tue, 18 Nov 2008 19:15:02 +0100
Subject: [PATCH] trace: introduce missing mutex_unlock()

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.

---
 kernel/trace/ring_buffer.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

index 036456c..f780e95 100644
@@ -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;
 }
 

1.5.6.5