From: Max Reitz <mreitz@redhat.com>
Date: Mon, 5 May 2014 18:27:49 +0000 (+0200)
Subject: block/nfs: Check for NULL server part
X-Git-Tag: v2.1.0-rc0~132^2~13
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5f4d5e1aa652712ea39b6fd97114378c5c15ccda;p=thirdparty%2Fqemu.git

block/nfs: Check for NULL server part

After the URL has been parsed make sure the server part is valid in
order to avoid a segmentation fault when calling nfs_mount().

Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
---

diff --git a/block/nfs.c b/block/nfs.c
index 9fa831f1600..539bd951dfd 100644
--- a/block/nfs.c
+++ b/block/nfs.c
@@ -256,6 +256,10 @@ static int64_t nfs_client_open(NFSClient *client, const char *filename,
         error_setg(errp, "Invalid URL specified");
         goto fail;
     }
+    if (!uri->server) {
+        error_setg(errp, "Invalid URL specified");
+        goto fail;
+    }
     strp = strrchr(uri->path, '/');
     if (strp == NULL) {
         error_setg(errp, "Invalid URL specified");