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migration: Fix missing rcu_read_unlock
Use the automatic rcu_read unlocker to fix a missing unlock. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Message-Id: <20191007143642.301445-3-dgilbert@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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@ -3373,24 +3373,23 @@ static int ram_save_setup(QEMUFile *f, void *opaque)
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}
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(*rsp)->f = f;
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rcu_read_lock();
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WITH_RCU_READ_LOCK_GUARD() {
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qemu_put_be64(f, ram_bytes_total_common(true) | RAM_SAVE_FLAG_MEM_SIZE);
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qemu_put_be64(f, ram_bytes_total_common(true) | RAM_SAVE_FLAG_MEM_SIZE);
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RAMBLOCK_FOREACH_MIGRATABLE(block) {
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qemu_put_byte(f, strlen(block->idstr));
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qemu_put_buffer(f, (uint8_t *)block->idstr, strlen(block->idstr));
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qemu_put_be64(f, block->used_length);
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if (migrate_postcopy_ram() && block->page_size != qemu_host_page_size) {
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qemu_put_be64(f, block->page_size);
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}
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if (migrate_ignore_shared()) {
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qemu_put_be64(f, block->mr->addr);
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RAMBLOCK_FOREACH_MIGRATABLE(block) {
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qemu_put_byte(f, strlen(block->idstr));
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qemu_put_buffer(f, (uint8_t *)block->idstr, strlen(block->idstr));
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qemu_put_be64(f, block->used_length);
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if (migrate_postcopy_ram() && block->page_size !=
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qemu_host_page_size) {
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qemu_put_be64(f, block->page_size);
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}
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if (migrate_ignore_shared()) {
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qemu_put_be64(f, block->mr->addr);
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}
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}
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}
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rcu_read_unlock();
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ram_control_before_iterate(f, RAM_CONTROL_SETUP);
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ram_control_after_iterate(f, RAM_CONTROL_SETUP);
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