linux-kernel - [PATCH 4/5] certs: use 'cmd' to hide openssl output in silent builds more simply

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Date:   Fri,  5 Nov 2021 12:59:57 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     Jarkko Sakkinen <jarkko@...nel.org>,
        David Howells <dhowells@...hat.com>,
        David Woodhouse <dwmw2@...radead.org>, keyrings@...r.kernel.org
Cc:     Arnd Bergmann <arnd@...db.de>,
        Masahiro Yamada <masahiroy@...nel.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 4/5] certs: use 'cmd' to hide openssl output in silent builds more simply

Commit 5d06ee20b662 ("modsign: hide openssl output in silent builds")
silenced the key generation log from openssl in silent builds.

Since commit 174a1dcc9642 ("kbuild: sink stdout from cmd for silent
build"), the 'cmd' macro can handle it in a cleaner way.

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

 certs/Makefile | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/certs/Makefile b/certs/Makefile
index a8c9abceef00..fdf206022113 100644
--- a/certs/Makefile
+++ b/certs/Makefile
@@ -51,9 +51,6 @@ ifdef SIGN_KEY
 #
 ###############################################################################
 
-redirect_openssl	= 2>&1
-quiet_redirect_openssl	= 2>&1
-silent_redirect_openssl = 2>/dev/null
 openssl_available       = $(shell openssl help 2>/dev/null && echo yes)
 
 # We do it this way rather than having a boolean option for enabling an
@@ -79,13 +76,16 @@ $(if $(findstring rsaEncryption,$(X509TEXT)),,$(shell rm -f "certs/signing_key.p
 endif
 endif # CONFIG_MODULE_SIG_KEY_TYPE_RSA
 
-$(obj)/signing_key.pem: $(obj)/x509.genkey
-	$(Q)openssl req -new -nodes -utf8 -$(CONFIG_MODULE_SIG_HASH) -days 36500 \
+quiet_cmd_gen_key = GENKEY  $@
+      cmd_gen_key = openssl req -new -nodes -utf8 -$(CONFIG_MODULE_SIG_HASH) -days 36500 \
 		-batch -x509 -config $(obj)/x509.genkey \
 		-outform PEM -out $(obj)/signing_key.pem \
 		-keyout $(obj)/signing_key.pem \
 		$(keytype_openssl) \
-		$($(quiet)redirect_openssl)
+		2>&1
+
+$(obj)/signing_key.pem: $(obj)/x509.genkey
+	$(call cmd,gen_key)
 
 quiet_cmd_copy_x509_config = COPY    $@
       cmd_copy_x509_config = cat $(srctree)/$(src)/default_x509.genkey > $@
-- 
2.30.2