diff options
Diffstat (limited to 'pkg/sentry/fsimpl/tmpfs/filesystem.go')
| -rw-r--r-- | pkg/sentry/fsimpl/tmpfs/filesystem.go | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/pkg/sentry/fsimpl/tmpfs/filesystem.go b/pkg/sentry/fsimpl/tmpfs/filesystem.go index 4cd7e9aea..a9f66a42a 100644 --- a/pkg/sentry/fsimpl/tmpfs/filesystem.go +++ b/pkg/sentry/fsimpl/tmpfs/filesystem.go @@ -337,19 +337,12 @@ func (d *dentry) open(ctx context.Context, rp *vfs.ResolvingPath, flags uint32, return nil, err } } - mnt := rp.Mount() switch impl := d.inode.impl.(type) { case *regularFile: var fd regularFileFD - fd.readable = vfs.MayReadFileWithOpenFlags(flags) - fd.writable = vfs.MayWriteFileWithOpenFlags(flags) - if fd.writable { - if err := mnt.CheckBeginWrite(); err != nil { - return nil, err - } - // mnt.EndWrite() is called by regularFileFD.Release(). + if err := fd.vfsfd.Init(&fd, flags, rp.Mount(), &d.vfsd, &vfs.FileDescriptionOptions{}); err != nil { + return nil, err } - fd.vfsfd.Init(&fd, flags, mnt, &d.vfsd, &vfs.FileDescriptionOptions{}) if flags&linux.O_TRUNC != 0 { impl.mu.Lock() impl.data.Truncate(0, impl.memFile) @@ -363,7 +356,9 @@ func (d *dentry) open(ctx context.Context, rp *vfs.ResolvingPath, flags uint32, return nil, syserror.EISDIR } var fd directoryFD - fd.vfsfd.Init(&fd, flags, mnt, &d.vfsd, &vfs.FileDescriptionOptions{}) + if err := fd.vfsfd.Init(&fd, flags, rp.Mount(), &d.vfsd, &vfs.FileDescriptionOptions{}); err != nil { + return nil, err + } return &fd.vfsfd, nil case *symlink: // Can't open symlinks without O_PATH (which is unimplemented). |