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nametransform: better error code on invalid diriv length

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go-fuse translates errors unknown to it into "function not
implemented", which is wrong in this case.
This commit is contained in:
Jakob Unterwurzacher 2016-10-07 22:36:29 +02:00
parent 45dfc90a2f
commit 53257f4ee5
1 changed files with 2 additions and 2 deletions
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4
internal/nametransform/diriv.go
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@ -1,7 +1,6 @@
package nametransform
import (
"errors"
"io/ioutil"
"os"
"path/filepath"
@ -26,6 +25,7 @@ const (
func ReadDirIV(dir string) (iv []byte, err error) {
fd, err := os.Open(filepath.Join(dir, DirIVFilename))
if err != nil {
// Note: getting errors here is normal because of concurrent deletes.
return nil, err
}
defer fd.Close()
@ -59,7 +59,7 @@ func fdReadDirIV(fd *os.File) (iv []byte, err error) {
iv = iv[0:n]
if len(iv) != DirIVLen {
tlog.Warn.Printf("ReadDirIVAt: wanted %d bytes, got %d", DirIVLen, len(iv))
return nil, errors.New("invalid iv length")
return nil, syscall.EINVAL
}
return iv, nil
}