linux-kernel - [PATCH v2 02/10] kbuild: do not remove empty *.symtypes explicitly

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Message-Id: <20220405113359.2880241-3-masahiroy@kernel.org>
Date:   Tue,  5 Apr 2022 20:33:50 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     linux-kbuild@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Masahiro Yamada <masahiroy@...nel.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        Nick Desaulniers <ndesaulniers@...gle.com>
Subject: [PATCH v2 02/10] kbuild: do not remove empty *.symtypes explicitly

Presumably, 'test -s $@ || rm -f $@' intends to remove the output when
the genksyms command fails.

It is unneeded because .DELETE_ON_ERROR automatically removes the output
on failure.

Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
---

Changes in v2:
  - Fix accidental drop of '> /dev/null'

 scripts/Makefile.build | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 31e0e33dfe5d..3ef2373f0a57 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -135,9 +135,7 @@ genksyms = scripts/genksyms/genksyms		\
 cmd_gensymtypes_c = $(CPP) -D__GENKSYMS__ $(c_flags) $< | $(genksyms)
 
 quiet_cmd_cc_symtypes_c = SYM $(quiet_modtag) $@
-cmd_cc_symtypes_c =                                                         \
-    $(call cmd_gensymtypes_c,true,$@) >/dev/null;                           \
-    test -s $@ || rm -f $@
+      cmd_cc_symtypes_c = $(call cmd_gensymtypes_c,true,$@) >/dev/null
 
 $(obj)/%.symtypes : $(src)/%.c FORCE
 	$(call cmd,cc_symtypes_c)
@@ -348,9 +346,7 @@ cmd_gensymtypes_S =                                                         \
     $(CPP) -D__GENKSYMS__ $(c_flags) -xc - | $(genksyms)
 
 quiet_cmd_cc_symtypes_S = SYM $(quiet_modtag) $@
-cmd_cc_symtypes_S =                                                         \
-    $(call cmd_gensymtypes_S,true,$@) >/dev/null;                           \
-    test -s $@ || rm -f $@
+      cmd_cc_symtypes_S = $(call cmd_gensymtypes_S,true,$@) >/dev/null
 
 $(obj)/%.symtypes : $(src)/%.S FORCE
 	$(call cmd,cc_symtypes_S)
-- 
2.32.0