linux-kernel - [PATCH v10 4/9] KEYS: Move KEY_LOOKUP

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Date:   Wed, 10 Aug 2022 18:59:27 +0200
From:   Roberto Sassu <roberto.sassu@...wei.com>
To:     <ast@...nel.org>, <daniel@...earbox.net>, <andrii@...nel.org>,
        <martin.lau@...ux.dev>, <song@...nel.org>, <yhs@...com>,
        <john.fastabend@...il.com>, <kpsingh@...nel.org>, <sdf@...gle.com>,
        <haoluo@...gle.com>, <jolsa@...nel.org>, <corbet@....net>,
        <dhowells@...hat.com>, <jarkko@...nel.org>, <rostedt@...dmis.org>,
        <mingo@...hat.com>, <paul@...l-moore.com>, <jmorris@...ei.org>,
        <serge@...lyn.com>, <shuah@...nel.org>
CC:     <bpf@...r.kernel.org>, <linux-doc@...r.kernel.org>,
        <keyrings@...r.kernel.org>,
        <linux-security-module@...r.kernel.org>,
        <linux-kselftest@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Roberto Sassu <roberto.sassu@...wei.com>
Subject: [PATCH v10 4/9] KEYS: Move KEY_LOOKUP_ to include/linux/key.h

In preparation for the patch that introduces the bpf_lookup_user_key() eBPF
kfunc, move KEY_LOOKUP_ definitions to include/linux/key.h, to be able to
validate the kfunc parameters.

Signed-off-by: Roberto Sassu <roberto.sassu@...wei.com>
---
 include/linux/key.h      | 3 +++
 security/keys/internal.h | 2 --
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/include/linux/key.h b/include/linux/key.h
index 7febc4881363..a297e075038c 100644
--- a/include/linux/key.h
+++ b/include/linux/key.h
@@ -88,6 +88,9 @@ enum key_need_perm {
 	KEY_DEFER_PERM_CHECK,	/* Special: permission check is deferred */
 };
 
+#define KEY_LOOKUP_CREATE	0x01
+#define KEY_LOOKUP_PARTIAL	0x02
+
 struct seq_file;
 struct user_struct;
 struct signal_struct;
diff --git a/security/keys/internal.h b/security/keys/internal.h
index 9b9cf3b6fcbb..3c1e7122076b 100644
--- a/security/keys/internal.h
+++ b/security/keys/internal.h
@@ -165,8 +165,6 @@ extern struct key *request_key_and_link(struct key_type *type,
 
 extern bool lookup_user_key_possessed(const struct key *key,
 				      const struct key_match_data *match_data);
-#define KEY_LOOKUP_CREATE	0x01
-#define KEY_LOOKUP_PARTIAL	0x02
 
 extern long join_session_keyring(const char *name);
 extern void key_change_session_keyring(struct callback_head *twork);
-- 
2.25.1