imap-send: check NULL return of SSL_CTX_new()

SSL_CTX_new() may fail with return value NULL.

Signed-off-by: Kazuki Yamaguchi <k@rhe.jp>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/imap-send.c b/imap-send.c
index 8bf363b..e964e2a 100644 (file)
--- a/imap-send.c
+++ b/imap-send.c
@@ -298,6 +298,10 @@ static int ssl_socket_connect(struct imap_socket *sock, int use_tls_only, int ve
        }
 
        ctx = SSL_CTX_new(meth);
+       if (!ctx) {
+               ssl_socket_perror("SSL_CTX_new");
+               return -1;
+       }
 
        if (verify)
                SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, NULL);