[Xen-changelog] [xen-3.3-testing] xenconsoled: Fix rate-limit calculation overflow leading to console

["Xen patchbot-3.3-testing" <patchbot-3.3-testing@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1245753405 -3600
# Node ID d0e390faafe8c7f9691b467bbe5f32d758760a12
# Parent  7566f03788bc94364771660b29a2aa4476a46f43
xenconsoled: Fix rate-limit calculation overflow leading to console
freezes.

From: Eric Tessler <eric@xxxxxxxxx>
Signed-off-by: Keir Fraser <keir.fraser@xxxxxxxxxx>
xen-unstable changeset:   19814:20c0df018786
xen-unstable date:        Tue Jun 23 11:25:38 2009 +0100
---
 tools/console/daemon/io.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff -r 7566f03788bc -r d0e390faafe8 tools/console/daemon/io.c
--- a/tools/console/daemon/io.c Thu Jun 18 13:02:09 2009 +0100
+++ b/tools/console/daemon/io.c Tue Jun 23 11:36:45 2009 +0100
@@ -684,7 +684,7 @@ static struct domain *create_domain(int 
        dom->buffer.capacity = 0;
        dom->buffer.max_capacity = 0;
        dom->event_count = 0;
-       dom->next_period = (ts.tv_sec * 1000) + (ts.tv_nsec / 1000000) + 
RATE_LIMIT_PERIOD;
+       dom->next_period = ((long long)ts.tv_sec * 1000) + (ts.tv_nsec / 
1000000) + RATE_LIMIT_PERIOD;
        dom->next = NULL;
 
        dom->ring_ref = -1;
@@ -1005,7 +1005,7 @@ void handle_io(void)
 
                if (clock_gettime(CLOCK_MONOTONIC, &ts) < 0)
                        return;
-               now = (ts.tv_sec * 1000) + (ts.tv_nsec / 1000000);
+               now = ((long long)ts.tv_sec * 1000) + (ts.tv_nsec / 1000000);
 
                /* Re-calculate any event counter allowances & unblock
                   domains with new allowance */

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