linux-kernel - [PATCH] crypto: asymmetric_keys - Remove unused key_being_used

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Message-ID: <20250112163059.467573-1-linux@treblig.org>
Date: Sun, 12 Jan 2025 16:30:59 +0000
From: linux@...blig.org
To: dhowells@...hat.com,
	herbert@...dor.apana.org.au,
	davem@...emloft.net
Cc: keyrings@...r.kernel.org,
	linux-crypto@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	"Dr. David Alan Gilbert" <linux@...blig.org>
Subject: [PATCH] crypto: asymmetric_keys - Remove unused key_being_used_for[]

From: "Dr. David Alan Gilbert" <linux@...blig.org>

key_being_used_for[] is an unused array of textual names for
the elements of the enum key_being_used_for.  It was added in 2015 by
commit 99db44350672 ("PKCS#7: Appropriately restrict authenticated
attributes and content type")

Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@...blig.org>
---
 crypto/asymmetric_keys/asymmetric_type.c | 10 ----------
 include/linux/verification.h             |  2 --
 2 files changed, 12 deletions(-)

diff --git a/crypto/asymmetric_keys/asymmetric_type.c b/crypto/asymmetric_keys/asymmetric_type.c
index 43af5fa510c0..ba2d9d1ea235 100644
--- a/crypto/asymmetric_keys/asymmetric_type.c
+++ b/crypto/asymmetric_keys/asymmetric_type.c
@@ -18,16 +18,6 @@
 #include "asymmetric_keys.h"
 
 
-const char *const key_being_used_for[NR__KEY_BEING_USED_FOR] = {
-	[VERIFYING_MODULE_SIGNATURE]		= "mod sig",
-	[VERIFYING_FIRMWARE_SIGNATURE]		= "firmware sig",
-	[VERIFYING_KEXEC_PE_SIGNATURE]		= "kexec PE sig",
-	[VERIFYING_KEY_SIGNATURE]		= "key sig",
-	[VERIFYING_KEY_SELF_SIGNATURE]		= "key self sig",
-	[VERIFYING_UNSPECIFIED_SIGNATURE]	= "unspec sig",
-};
-EXPORT_SYMBOL_GPL(key_being_used_for);
-
 static LIST_HEAD(asymmetric_key_parsers);
 static DECLARE_RWSEM(asymmetric_key_parsers_sem);
 
diff --git a/include/linux/verification.h b/include/linux/verification.h
index cb2d47f28091..4f3022d081c3 100644
--- a/include/linux/verification.h
+++ b/include/linux/verification.h
@@ -38,8 +38,6 @@ enum key_being_used_for {
 	VERIFYING_UNSPECIFIED_SIGNATURE,
 	NR__KEY_BEING_USED_FOR
 };
-extern const char *const key_being_used_for[NR__KEY_BEING_USED_FOR];
-
 #ifdef CONFIG_SYSTEM_DATA_VERIFICATION
 
 struct key;
-- 
2.47.1