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qemu: throw error when fail to get addr from bridges

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Return error soon when addDeviceToBridge() can not get empty address
from bridges, or the error will thrown by qemu, this is not obvious.

Fixes: #1005

Signed-off-by: Ace-Tang <aceapril@126.com>
This commit is contained in:
Ace-Tang 2018-12-11 13:57:42 +08:00
parent 7ff18192a4
commit c7ace4b4bc
1 changed files with 5 additions and 0 deletions
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5
virtcontainers/qemu.go
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@ -8,6 +8,7 @@ package virtcontainers
import ( import (
"context" "context"
"encoding/json" "encoding/json"
"errors"
"fmt" "fmt"
"io/ioutil" "io/ioutil"
"math" "math"
@ -755,6 +756,10 @@ func (q *qemu) addDeviceToBridge(ID string) (string, types.PCIBridge, error) {
var err error var err error
var addr uint32 var addr uint32
if len(q.state.Bridges) == 0 {
return "", types.PCIBridge{}, errors.New("failed to get available address from bridges")
}
// looking for an empty address in the bridges // looking for an empty address in the bridges
for _, b := range q.state.Bridges { for _, b := range q.state.Bridges {
addr, err = b.AddDevice(ID) addr, err = b.AddDevice(ID)