From db994dacea855c113b0bfe2e7631228818711da8 Mon Sep 17 00:00:00 2001
From: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Date: Mon, 27 Jan 2014 10:36:09 +0200
Subject: [PATCH] unit/ringbuf: Fix memory leak

free allocated memory before exit
---
 src/shared/ringbuf.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/shared/ringbuf.c b/src/shared/ringbuf.c
index f9c437652..1add53326 100644
--- a/src/shared/ringbuf.c
+++ b/src/shared/ringbuf.c
@@ -235,9 +235,14 @@ int ringbuf_vprintf(struct ringbuf *ringbuf, const char *format, va_list ap)
 		return -1;
 
 	len = vasprintf(&str, format, ap);
-	if (len < 0 || (size_t) len > avail)
+	if (len < 0)
 		return -1;
 
+	if ((size_t) len > avail) {
+		free(str);
+		return -1;
+	}
+
 	/* Determine possible length of string before wrapping */
 	offset = ringbuf->in & (ringbuf->size - 1);
 	end = MIN((size_t) len, ringbuf->size - offset);
-- 
2.47.3