From 5d7bc72a4336f922ba42bab545529051c706ac4b Mon Sep 17 00:00:00 2001
From: Greg Kurz <groug@kaod.org>
Date: Thu, 29 Mar 2018 11:10:21 +0200
Subject: [PATCH] sev/i386: fix memory leak in sev_guest_init()

The string returned by object_property_get_str() is dynamically allocated.

Fixes: d8575c6c0242b
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <152231462116.69730.14119625999092384450.stgit@bahia.lan>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
---
 target/i386/sev.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/target/i386/sev.c b/target/i386/sev.c
index 019d84cef2..c01167143f 100644
--- a/target/i386/sev.c
+++ b/target/i386/sev.c
@@ -748,9 +748,11 @@ sev_guest_init(const char *id)
     if (s->sev_fd < 0) {
         error_report("%s: Failed to open %s '%s'", __func__,
                      devname, strerror(errno));
-        goto err;
     }
     g_free(devname);
+    if (s->sev_fd < 0) {
+        goto err;
+    }
 
     ret = sev_platform_ioctl(s->sev_fd, SEV_PLATFORM_STATUS, &status,
                              &fw_error);