[PATCH 2/3] net: Avoid unnecessary calls to grub_net_tcp_retransmit

[Glenn Washburn]

In grub_net_poll_cards_idle_real, only call grub_net_tcp_retransmit if there
are network cards found. If there are no network card found, there can be no
tcp sockets to transmit on.

Signed-off-by: Glenn Washburn <development@efficientek.com>
---
 grub-core/net/net.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/grub-core/net/net.c b/grub-core/net/net.c
index 563dea9ec8..e208b84019 100644
--- a/grub-core/net/net.c
+++ b/grub-core/net/net.c
@@ -1580,7 +1580,8 @@ grub_net_poll_cards_idle_real (void)
        || ctime >= card->last_poll + card->idle_poll_delay_ms)
       receive_packets (card, 0);
   }
-  grub_net_tcp_retransmit ();
+  if (grub_net_cards)
+    grub_net_tcp_retransmit ();
 }
 
 /*  Read from the packets list*/
-- 
2.27.0