Index: drivers/Makefile.am
===================================================================
--- drivers/Makefile.am	(revision 1602)
+++ drivers/Makefile.am	(working copy)
@@ -15,10 +15,8 @@
 
 -include $(top_srcdir)/util/linux_flags/flags
 
-#ignore errors from kernel's make modules in all-local, to avoid failure of make install
-#on nfs filesystem with root_squash
 all-local:
-	-$(MAKE) -C $(LINUX_SRCDIR) V=1 modules\
+	$(MAKE) -C $(LINUX_SRCDIR) V=1 modules\
 		CC="$(LINUX_CC) -I@abs_top_srcdir@ -I@abs_top_srcdir@/drivers/gpib/include -I@abs_top_srcdir@/include" \
 		SUBDIRS="$(GPIB_ABS_MODULE_SUBDIR)"