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Fix PCI devices with device > 16

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This commit is contained in:
Melora Hugues 2023-09-18 13:55:47 +02:00
parent 8e31e6f2dc
commit 8ab8ae3c7f
2 changed files with 21 additions and 5 deletions
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5
pci.go
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@ -11,7 +11,6 @@ import (
const (
pciLength uint16 = 6
pciPrefix string = "Pci"
pciStringLength int = 12
)
type PCIDevicePath struct {
@ -42,10 +41,10 @@ func (pcp *PCIDevicePath) String() string {
}
func (pcp *PCIDevicePath) ParseString(raw string) error {
if !checkStringFormat(raw, pciPrefix, pciStringLength) {
if !checkStringFormat(raw, pciPrefix, -1) {
return ErrMalformedString
}
args := strings.Split(raw[len(pciPrefix)+1:pciStringLength-1], ",")
args := strings.Split(raw[len(pciPrefix)+1:len(raw)-1], ",")
if len(args) != 2 {
return errors.New("unexpected number of arguments")
}

17
pci_test.go
View file

@ -5,6 +5,7 @@ import (
"git.faercol.me/faercol/devicepath"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestToString(t *testing.T) {
@ -20,3 +21,19 @@ func TestToString(t *testing.T) {
assert.Equal(t, expected, dev.String())
})
}
func TestParsePCIString(t *testing.T) {
t.Run("OK device < 16", func(t *testing.T) {
rawStr := "Pci(0x0,0x1)"
var dev devicepath.PCIDevicePath
require.NoError(t, dev.ParseString(rawStr))
assert.Equal(t, rawStr, dev.String())
})
t.Run("OK device > 16", func(t *testing.T) {
rawStr := "Pci(0x1f,0x2)"
var dev devicepath.PCIDevicePath
require.NoError(t, dev.ParseString(rawStr))
assert.Equal(t, rawStr, dev.String())
})
}