Rusty Russell
2005-Aug-04 12:31 UTC
[Xen-devel] [PATCH 7/11] Don''t unbind port when event channel binding fails! This happens when xend tries to introduce the same domain twice, giving strange effects when xend restarts.
# HG changeset patch
# User Rusty Russell <rusty@rustcorp.com.au>
# Node ID 3550a20343ba6762cfca9e43d38866b036363e32
# Parent b0de1894df67ac7c7d905bf61cdf0210b42752cc
Don''t unbind port when event channel binding fails! This happens when
xend tries to introduce the same domain twice, giving strange effects when xend
restarts.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
diff -r b0de1894df67 -r 3550a20343ba tools/xenstore/xenstored_domain.c
--- a/tools/xenstore/xenstored_domain.c Thu Aug 4 11:39:03 2005
+++ b/tools/xenstore/xenstored_domain.c Thu Aug 4 11:41:51 2005
@@ -261,8 +261,8 @@
{
struct domain *domain;
domain = talloc(context, struct domain);
+ domain->port = 0;
domain->domid = domid;
- domain->port = port;
domain->path = talloc_strdup(domain, path);
domain->page = xc_map_foreign_range(*xc_handle, domain->domid,
getpagesize(),
@@ -279,9 +279,10 @@
domain->output = domain->page + getpagesize()/2;
/* Tell kernel we''re interested in this event. */
- if (ioctl(eventchn_fd, EVENTCHN_BIND, domain->port) != 0)
+ if (ioctl(eventchn_fd, EVENTCHN_BIND, port) != 0)
return NULL;
+ domain->port = port;
domain->conn = new_connection(writechn, readchn);
domain->conn->domain = domain;
return domain;
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