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authorDean Deng <deandeng@google.com>2020-10-30 17:40:28 -0700
committergVisor bot <gvisor-bot@google.com>2020-10-30 17:42:57 -0700
commit1f25697cfe0484198784afc947ae3bdf4eb05e9b (patch)
tree9c52bf8b23468cb65cda661185187c1c014304cd /pkg/sentry/fsimpl/kernfs
parentba05c6845d3d285be8c2d12d9f10a5745f722e58 (diff)
Fix rename error handling for VFS2 kernfs.
The non-errno error was causing panics before. PiperOrigin-RevId: 339969348
Diffstat (limited to 'pkg/sentry/fsimpl/kernfs')
-rw-r--r--pkg/sentry/fsimpl/kernfs/inode_impl_util.go9
1 files changed, 1 insertions, 8 deletions
diff --git a/pkg/sentry/fsimpl/kernfs/inode_impl_util.go b/pkg/sentry/fsimpl/kernfs/inode_impl_util.go
index d9d76758a..4f78437d2 100644
--- a/pkg/sentry/fsimpl/kernfs/inode_impl_util.go
+++ b/pkg/sentry/fsimpl/kernfs/inode_impl_util.go
@@ -568,13 +568,6 @@ func (o *OrderedChildren) RmDir(ctx context.Context, name string, child Inode) e
return o.Unlink(ctx, name, child)
}
-// +stateify savable
-type renameAcrossDifferentImplementationsError struct{}
-
-func (renameAcrossDifferentImplementationsError) Error() string {
- return "rename across inodes with different implementations"
-}
-
// Rename implements Inode.Rename.
//
// Precondition: Rename may only be called across two directory inodes with
@@ -587,7 +580,7 @@ func (renameAcrossDifferentImplementationsError) Error() string {
func (o *OrderedChildren) Rename(ctx context.Context, oldname, newname string, child, dstDir Inode) error {
dst, ok := dstDir.(interface{}).(*OrderedChildren)
if !ok {
- return renameAcrossDifferentImplementationsError{}
+ return syserror.ENODEV
}
if !o.writable || !dst.writable {
return syserror.EPERM