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-rw-r--r--security/keys/process_keys.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/security/keys/process_keys.c b/security/keys/process_keys.c
index 74cb79e..f6940618 100644
--- a/security/keys/process_keys.c
+++ b/security/keys/process_keys.c
@@ -16,11 +16,12 @@
#include <linux/keyctl.h>
#include <linux/fs.h>
#include <linux/err.h>
+#include <linux/mutex.h>
#include <asm/uaccess.h>
#include "internal.h"
/* session keyring create vs join semaphore */
-static DECLARE_MUTEX(key_session_sem);
+static DEFINE_MUTEX(key_session_mutex);
/* the root user's tracking struct */
struct key_user root_key_user = {
@@ -711,7 +712,7 @@ long join_session_keyring(const char *name)
}
/* allow the user to join or create a named keyring */
- down(&key_session_sem);
+ mutex_lock(&key_session_mutex);
/* look for an existing keyring of this name */
keyring = find_keyring_by_name(name, 0);
@@ -737,7 +738,7 @@ long join_session_keyring(const char *name)
key_put(keyring);
error2:
- up(&key_session_sem);
+ mutex_unlock(&key_session_mutex);
error:
return ret;
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