[Qemu-devel] [PATCH] xen_console: fix memory leak

[<stefano.stabellini@eu.citrix.com>]

From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>

con_init leaks the string "type", fix it.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
---
 hw/xen_console.c |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/hw/xen_console.c b/hw/xen_console.c
index e88714f..519d5f5 100644
--- a/hw/xen_console.c
+++ b/hw/xen_console.c
@@ -180,6 +180,7 @@ static int con_init(struct XenDevice *xendev)
 {
     struct XenConsole *con = container_of(xendev, struct XenConsole, xendev);
     char *type, *dom;
+    int ret = 0;
 
     /* setup */
     dom = xs_get_domain_path(xenstore, con->xendev.dom);
@@ -189,7 +190,8 @@ static int con_init(struct XenDevice *xendev)
     type = xenstore_read_str(con->console, "type");
     if (!type || strcmp(type, "ioemu") != 0) {
 	xen_be_printf(xendev, 1, "not for me (type=%s)\n", type);
-	return -1;
+        ret = -1;
+        goto out;
     }
 
     if (!serial_hds[con->xendev.dev])
@@ -198,7 +200,9 @@ static int con_init(struct XenDevice *xendev)
     else
         con->chr = serial_hds[con->xendev.dev];
 
-    return 0;
+out:
+    qemu_free(type);
+    return ret;
 }
 
 static int con_initialise(struct XenDevice *xendev)
-- 
1.7.2.3