From: Charles Arnold <carnold@suse.com>
Date: Thu, 2 Apr 2015 15:42:02 +0000 (-0600)
Subject: xentop: fix potential memory leak
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~3461
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=f4d2d0e9a2159154e327a3f05b467824ae5e9e15;p=xen.git

xentop: fix potential memory leak

On a read failure the qstats buffer is not freed.

Signed-off-by: Charles Arnold <carnold@suse.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
---

diff --git a/tools/xenstat/libxenstat/src/xenstat_qmp.c b/tools/xenstat/libxenstat/src/xenstat_qmp.c
index c217b8e78b..2cb99e9a60 100644
--- a/tools/xenstat/libxenstat/src/xenstat_qmp.c
+++ b/tools/xenstat/libxenstat/src/xenstat_qmp.c
@@ -298,6 +298,7 @@ static int qmp_read(int qfd, unsigned char **qstats)
 	while ((n = poll(pfd, POLLIN, 10)) > 0) {
 		if (pfd[0].revents & POLLIN) {
 			if ((n = read(qfd, buf, sizeof(buf))) < 0) {
+				free(*qstats);
 				return 0;
 			}
 			ptr = realloc(*qstats, qsize+n+1);