diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index bf0da03..c5e3806 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -2032,8 +2032,10 @@
 
 	ret = fuse_dev_do_write(fud, &cs, len);
 
+	pipe_lock(pipe);
 	for (idx = 0; idx < nbuf; idx++)
 		pipe_buf_release(pipe, &bufs[idx]);
+	pipe_unlock(pipe);
 
 out:
 	kvfree(bufs);