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Drivers: hv: balloon: reset host_specified_ha_region 

We set host_specified_ha_region = true on certain request but this is a
global state which stays 'true' forever. We need to reset it when we
receive a request where ha_region is not specified. I did not see any
real issues, the bug was found by code inspection.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Vitaly Kuznetsov 2016-04-30 19:21:36 -07:00 committed by Greg Kroah-Hartman
parent 77c0c9735b
commit d19a55d6ed
1 changed files with 1 additions and 0 deletions
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drivers/hv/hv_balloon.c
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@ -1400,6 +1400,7 @@ static void balloon_onchannelcallback(void *context)
* This is a normal hot-add request specifying
* hot-add memory.
*/
dm->host_specified_ha_region = false;
ha_pg_range = &ha_msg->range;
dm->ha_wrk.ha_page_range = *ha_pg_range;
dm->ha_wrk.ha_region_range.page_range = 0;