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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
2022-03-18 01:51:32 -05:00
committed by Daniel Kiper
parent c142835043
commit 848724273e
1 changed files with 2 additions and 1 deletions
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3
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)
receive_packets (card, 0);
}
grub_net_tcp_retransmit ();
if (grub_net_cards == NULL)
grub_net_tcp_retransmit ();
}
/* Read from the packets list*/