diff options
Diffstat (limited to 'security/keys/process_keys.c')
| -rw-r--r-- | security/keys/process_keys.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/security/keys/process_keys.c b/security/keys/process_keys.c index 74cb79eb917e..f6940618e345 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; |