[PATCH] trace: introduce missing mutex_unlock()

[Vegard Nossum]

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

diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 036456c..f780e95 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -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

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