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net/net: Avoid unnecessary calls to grub_net_tcp_retransmit()

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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. So no need to go through that logic.

Signed-off-by: Glenn Washburn <development@efficientek.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
This commit is contained in:
Glenn Washburn authored and Daniel Kiper committed 2022-04-04 19:43:35 +02:00
1 parent c142835043
commit 848724273e
1 file changed
+2 -1
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grub-core/net/net.c
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@@ -1580,7 +1580,8 @@ grub_net_poll_cards_idle_real (void)
|| ctime >= card->last_poll + card->idle_poll_delay_ms) || ctime >= card->last_poll + card->idle_poll_delay_ms)
receive_packets (card, 0); receive_packets (card, 0);
} }
grub_net_tcp_retransmit (); if (grub_net_cards == NULL)
grub_net_tcp_retransmit ();
} }
/* Read from the packets list*/ /* Read from the packets list*/