kbuild: do not pass -r to genksyms when *.symref does not exist

There is no need to pass '-r /dev/null', which is no-op. Signed-off-by: Masahiro Yamada <[email protected]> Reviewed-by: Nicolas Schier <[email protected]>
delamonpansie · Nov 27, 2024 · c2386ab · c2386ab
1 parent 8cd07cc
commit c2386ab
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
@@ -110,7 +110,7 @@ $(obj)/%.i: $(obj)/%.c FORCE
 genksyms = $(objtree)/scripts/genksyms/genksyms		\
 	$(if $(1), -T $(2))			\
 	$(if $(KBUILD_PRESERVE), -p)		\
-	-r $(or $(wildcard $(2:.symtypes=.symref)), /dev/null)
+	$(addprefix -r , $(wildcard $(2:.symtypes=.symref)))
 
 # These mirror gensymtypes_S and co below, keep them in synch.
 cmd_gensymtypes_c = $(CPP) -D__GENKSYMS__ $(c_flags) $< | $(genksyms)