fix memory leak in error path

ok djm@

diff --git a/usr.bin/ssh/packet.c b/usr.bin/ssh/packet.c
index 110e0c3..a5ca685 100644 (file)
--- a/usr.bin/ssh/packet.c
+++ b/usr.bin/ssh/packet.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.215 2015/09/21 04:31:00 djm Exp $ */
+/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
 /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -2027,8 +2027,10 @@ ssh_packet_write_wait(struct ssh *ssh)
            NFDBITS), sizeof(fd_mask));
        if (setp == NULL)
                return SSH_ERR_ALLOC_FAIL;
-       if ((r = ssh_packet_write_poll(ssh)) != 0)
+       if ((r = ssh_packet_write_poll(ssh)) != 0) {
+               free(setp);
                return r;
+       }
        while (ssh_packet_have_data_to_write(ssh)) {
                memset(setp, 0, howmany(state->connection_out + 1,
                    NFDBITS) * sizeof(fd_mask));