1 files changed, 1 insertions, 0 deletions

diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 036456cbb4f7..f780e9552f91 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;
 }