1 files changed, 0 insertions, 77 deletions
diff --git a/vendor/github.com/cilium/ebpf/internal/pinning.go b/vendor/github.com/cilium/ebpf/internal/pinning.go
deleted file mode 100644
index c711353c3..000000000
--- a/vendor/github.com/cilium/ebpf/internal/pinning.go
+++ /dev/null
@@ -1,77 +0,0 @@
-package internal
-
-import (
-	"errors"
-	"fmt"
-	"os"
-	"path/filepath"
-	"runtime"
-	"unsafe"
-
-	"github.com/cilium/ebpf/internal/sys"
-	"github.com/cilium/ebpf/internal/unix"
-)
-
-func Pin(currentPath, newPath string, fd *sys.FD) error {
-	const bpfFSType = 0xcafe4a11
-
-	if newPath == "" {
-		return errors.New("given pinning path cannot be empty")
-	}
-	if currentPath == newPath {
-		return nil
-	}
-
-	var statfs unix.Statfs_t
-	if err := unix.Statfs(filepath.Dir(newPath), &statfs); err != nil {
-		return err
-	}
-
-	fsType := int64(statfs.Type)
-	if unsafe.Sizeof(statfs.Type) == 4 {
-		// We're on a 32 bit arch, where statfs.Type is int32. bpfFSType is a
-		// negative number when interpreted as int32 so we need to cast via
-		// uint32 to avoid sign extension.
-		fsType = int64(uint32(statfs.Type))
-	}
-
-	if fsType != bpfFSType {
-		return fmt.Errorf("%s is not on a bpf filesystem", newPath)
-	}
-
-	defer runtime.KeepAlive(fd)
-
-	if currentPath == "" {
-		return sys.ObjPin(&sys.ObjPinAttr{
-			Pathname: sys.NewStringPointer(newPath),
-			BpfFd:    fd.Uint(),
-		})
-	}
-
-	// Renameat2 is used instead of os.Rename to disallow the new path replacing
-	// an existing path.
-	err := unix.Renameat2(unix.AT_FDCWD, currentPath, unix.AT_FDCWD, newPath, unix.RENAME_NOREPLACE)
-	if err == nil {
-		// Object is now moved to the new pinning path.
-		return nil
-	}
-	if !os.IsNotExist(err) {
-		return fmt.Errorf("unable to move pinned object to new path %v: %w", newPath, err)
-	}
-	// Internal state not in sync with the file system so let's fix it.
-	return sys.ObjPin(&sys.ObjPinAttr{
-		Pathname: sys.NewStringPointer(newPath),
-		BpfFd:    fd.Uint(),
-	})
-}
-
-func Unpin(pinnedPath string) error {
-	if pinnedPath == "" {
-		return nil
-	}
-	err := os.Remove(pinnedPath)
-	if err == nil || os.IsNotExist(err) {
-		return nil
-	}
-	return err
-}