linux-kernel - [PATCH v2 2/3] keys: export find_keyring_by

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Message-Id: <20180309153803.25859-2-nayna@linux.vnet.ibm.com>
Date:   Fri,  9 Mar 2018 21:08:02 +0530
From:   Nayna Jain <nayna@...ux.vnet.ibm.com>
To:     dhowells@...hat.com
Cc:     keyrings@...r.kernel.org, linux-security-module@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-integrity@...r.kernel.org,
        Nayna Jain <nayna@...ux.vnet.ibm.com>
Subject: [PATCH v2 2/3] keys: export find_keyring_by_name()

This patch exports the function find_keyring_by_name() to be used by
other subsystems.

Signed-off-by: Nayna Jain <nayna@...ux.vnet.ibm.com>
---
Changelog:

v2:
* Fix the patch description per line length as suggested by Mimi

 include/linux/key.h      | 2 ++
 security/keys/internal.h | 2 --
 security/keys/keyring.c  | 1 +
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/include/linux/key.h b/include/linux/key.h
index e58ee10f6e58..c8d332d4103c 100644
--- a/include/linux/key.h
+++ b/include/linux/key.h
@@ -346,6 +346,8 @@ static inline key_serial_t key_serial(const struct key *key)
 
 extern void key_set_timeout(struct key *, unsigned);
 
+extern struct key *find_keyring_by_name(const char *name, bool uid_keyring);
+
 /*
  * The permissions required on a key that we're looking up.
  */
diff --git a/security/keys/internal.h b/security/keys/internal.h
index 9f8208dc0e55..8aa8d347a1ab 100644
--- a/security/keys/internal.h
+++ b/security/keys/internal.h
@@ -141,8 +141,6 @@ extern key_ref_t keyring_search_aux(key_ref_t keyring_ref,
 extern key_ref_t search_my_process_keyrings(struct keyring_search_context *ctx);
 extern key_ref_t search_process_keyrings(struct keyring_search_context *ctx);
 
-extern struct key *find_keyring_by_name(const char *name, bool uid_keyring);
-
 extern int install_user_keyrings(void);
 extern int install_thread_keyring_to_cred(struct cred *);
 extern int install_process_keyring_to_cred(struct cred *);
diff --git a/security/keys/keyring.c b/security/keys/keyring.c
index 41bcf57e96f2..4b9c3f1166d1 100644
--- a/security/keys/keyring.c
+++ b/security/keys/keyring.c
@@ -1152,6 +1152,7 @@ struct key *find_keyring_by_name(const char *name, bool uid_keyring)
 	read_unlock(&keyring_name_lock);
 	return keyring;
 }
+EXPORT_SYMBOL(find_keyring_by_name);
 
 static int keyring_detect_cycle_iterator(const void *object,
 					 void *iterator_data)
-- 
2.13.6