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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Paulo Flabiano Smorigo <pfsmorigo@br.ibm.com>
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Date: Tue, 21 Jan 2014 10:49:39 -0200
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Subject: [PATCH] change stop condition to avoid infinite loops
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In net/net.c there is a while (1) that only exits if there is a stop
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condition and more then 10 packages or if there is no package received.
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If GRUB is idle and enter in this loop, the only condition to leave is
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if it doesn't have incoming packages. In a network with heavy traffic
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this never happens.
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---
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grub-core/net/net.c | 2 +-
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ChangeLog | 12 ++++++++++++
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2 files changed, 13 insertions(+), 1 deletion(-)
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diff --git a/grub-core/net/net.c b/grub-core/net/net.c
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index 0e57e93e821..56355f3c98c 100644
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--- a/grub-core/net/net.c
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+++ b/grub-core/net/net.c
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@@ -1453,7 +1453,7 @@ receive_packets (struct grub_net_card *card, int *stop_condition)
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}
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card->opened = 1;
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}
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- while (1)
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+ while (received < 100)
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{
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/* Maybe should be better have a fixed number of packets for each card
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and just mark them as used and not used. */
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diff --git a/ChangeLog b/ChangeLog
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index 10abfe28f20..f69d8c7e042 100644
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--- a/ChangeLog
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+++ b/ChangeLog
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@@ -1,3 +1,15 @@
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+2014-01-21 Paulo Flabiano Smorigo <pfsmorigo@br.ibm.com>
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+
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+ * grub-core/net/net.c (receive_packets): Change stop condition to avoid
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+ infinite loops.
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+
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+ In net/net.c there is a while (1) that only exits if there is a stop
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+ condition and more then 10 packages or if there is no package received.
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+
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+ If GRUB is idle and enter in this loop, the only condition to leave is
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+ if it doesn't have incoming packages. In a network with heavy traffic
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+ this never happens.
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+
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2014-01-19 Colin Watson <cjwatson@ubuntu.com>
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* grub-core/osdep/freebsd/hostdisk.c (grub_util_fd_open): Ignore
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