PERFORCE change 41863 for review

[Robert Watson]

http://perforce.freebsd.org/chv.cgi?CH=41863

Change 41863 by rwatson at rwatson_paprika on 2003/11/09 20:09:09

	Compress mac_get_fd() logic a bit: only need one switch
	statement.

Affected files ...

.. //depot/projects/trustedbsd/mac/sys/kern/kern_mac.c#426 edit

Differences ...

==== //depot/projects/trustedbsd/mac/sys/kern/kern_mac.c#426 (text+ko) ====

@@ -752,53 +752,34 @@
 		vp = fp->f_vnode;
 
 		intlabel = mac_vnode_label_alloc();
-
 		vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, td);
 		mac_copy_vnode_label(vp->v_label, intlabel);
 		VOP_UNLOCK(vp, 0, td);
-
+		error = mac_externalize_vnode_label(intlabel, elements,
+		    buffer, mac.m_buflen);
+		mac_vnode_label_free(intlabel);
 		break;
 	case DTYPE_PIPE:
 		pipe = fp->f_data;
 
 		intlabel = mac_pipe_label_alloc();
-
 		PIPE_LOCK(pipe);
 		mac_copy_pipe_label(pipe->pipe_label, intlabel);
 		PIPE_UNLOCK(pipe);
-		break;
-	default:
-		error = EINVAL;
-		fdrop(fp, td);
-		goto out;
-	}
-	fdrop(fp, td);
-
-	switch (label_type) {
-	case DTYPE_FIFO:
-	case DTYPE_VNODE:
-		if (error == 0)
-			error = mac_externalize_vnode_label(intlabel,
-			    elements, buffer, mac.m_buflen);
-		mac_vnode_label_free(intlabel);
-		break;
-	case DTYPE_PIPE:
 		error = mac_externalize_pipe_label(intlabel, elements,
 		    buffer, mac.m_buflen);
 		mac_pipe_label_free(intlabel);
 		break;
 	default:
-		panic("__mac_get_fd: corrupted label_type");
+		error = EINVAL;
 	}
-
+	fdrop(fp, td);
 	if (error == 0)
 		error = copyout(buffer, mac.m_string, strlen(buffer)+1);
-
 out:
 	mtx_unlock(&Giant);				/* VFS */
 	free(buffer, M_MACTEMP);
 	free(elements, M_MACTEMP);
-
 	return (error);
 }