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>
This commit is contained in:
Max Reitz 2014-05-05 20:27:49 +02:00 committed by Stefan Hajnoczi
parent 1a443c1b8b
commit 5f4d5e1aa6
1 changed files with 4 additions and 0 deletions

View File

@ -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");