diff options
Diffstat (limited to 'ipc/util.h')
| -rw-r--r-- | ipc/util.h | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/ipc/util.h b/ipc/util.h index 2b0bdd5d92ce..b6a6a88f3002 100644 --- a/ipc/util.h +++ b/ipc/util.h @@ -159,21 +159,31 @@ static inline int ipc_checkid(struct kern_ipc_perm *ipcp, int uid) return uid / SEQ_MULTIPLIER != ipcp->seq; } -static inline void ipc_lock_by_ptr(struct kern_ipc_perm *perm) +static inline void ipc_lock_object(struct kern_ipc_perm *perm) { - rcu_read_lock(); spin_lock(&perm->lock); } -static inline void ipc_unlock(struct kern_ipc_perm *perm) +static inline void ipc_unlock_object(struct kern_ipc_perm *perm) { spin_unlock(&perm->lock); - rcu_read_unlock(); } -static inline void ipc_lock_object(struct kern_ipc_perm *perm) +static inline void ipc_assert_locked_object(struct kern_ipc_perm *perm) { - spin_lock(&perm->lock); + assert_spin_locked(&perm->lock); +} + +static inline void ipc_lock_by_ptr(struct kern_ipc_perm *perm) +{ + rcu_read_lock(); + ipc_lock_object(perm); +} + +static inline void ipc_unlock(struct kern_ipc_perm *perm) +{ + ipc_unlock_object(perm); + rcu_read_unlock(); } struct kern_ipc_perm *ipc_lock_check(struct ipc_ids *ids, int id); |