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Commit d19a55d6 authored by Vitaly Kuznetsov's avatar Vitaly Kuznetsov Committed by Greg Kroah-Hartman
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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: default avatarVitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: default avatarK. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 77c0c973

drivers/hv/hv_balloon.c

+1 −0
Original line number Diff line number Diff line
@@ -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;