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migration: Fix early failure cleanup

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Avoid crash in cleanup after a very early migration failure
(possibly due to my 688a3dcba9  'Route errors down ...')

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20180212160340.15333-2-dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
This commit is contained in:
Dr. David Alan Gilbert 2018-02-12 16:03:39 +00:00
parent 17ca7746d7
commit b9ccaf6d74
1 changed files with 7 additions and 5 deletions
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12
migration/ram.c
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@ -1602,11 +1602,13 @@ static void xbzrle_load_cleanup(void)
static void ram_state_cleanup(RAMState **rsp) static void ram_state_cleanup(RAMState **rsp)
{ {
migration_page_queue_free(*rsp); if (*rsp) {
qemu_mutex_destroy(&(*rsp)->bitmap_mutex); migration_page_queue_free(*rsp);
qemu_mutex_destroy(&(*rsp)->src_page_req_mutex); qemu_mutex_destroy(&(*rsp)->bitmap_mutex);
g_free(*rsp); qemu_mutex_destroy(&(*rsp)->src_page_req_mutex);
*rsp = NULL; g_free(*rsp);
*rsp = NULL;
}
} }
static void xbzrle_cleanup(void) static void xbzrle_cleanup(void)