[PATCH] don't bother with aux entires for dummy context

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/fs/namei.c b/fs/namei.c
index 0ab26cb..55a1312 100644 (file)
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -159,7 +159,7 @@ char * getname(const char __user * filename)
 #ifdef CONFIG_AUDITSYSCALL
 void putname(const char *name)
 {
-       if (unlikely(current->audit_context))
+       if (unlikely(!audit_dummy_context()))
                audit_putname(name);
        else
                __putname(name);
@@ -1125,7 +1125,7 @@ static int fastcall do_path_lookup(int dfd, const char *name,
        retval = link_path_walk(name, nd);
 out:
        if (likely(retval == 0)) {
-               if (unlikely(current->audit_context && nd && nd->dentry &&
+               if (unlikely(!audit_dummy_context() && nd && nd->dentry &&
                                nd->dentry->d_inode))
                audit_inode(name, nd->dentry->d_inode);
        }

diff --git a/include/linux/audit.h b/include/linux/audit.h
index 3f736d6..64f9f9e 100644 (file)
--- a/include/linux/audit.h
+++ b/include/linux/audit.h
@@ -336,21 +336,21 @@ static inline int audit_dummy_context(void)
 }
 static inline void audit_getname(const char *name)
 {
-       if (unlikely(current->audit_context))
+       if (unlikely(!audit_dummy_context()))
                __audit_getname(name);
 }
 static inline void audit_inode(const char *name, const struct inode *inode) {
-       if (unlikely(current->audit_context))
+       if (unlikely(!audit_dummy_context()))
                __audit_inode(name, inode);
 }
 static inline void audit_inode_child(const char *dname, 
                                     const struct inode *inode,
                                     const struct inode *parent) {
-       if (unlikely(current->audit_context))
+       if (unlikely(!audit_dummy_context()))
                __audit_inode_child(dname, inode, parent);
 }
 static inline void audit_inode_update(const struct inode *inode) {
-       if (unlikely(current->audit_context))
+       if (unlikely(!audit_dummy_context()))
                __audit_inode_update(inode);
 }
 
@@ -375,43 +375,43 @@ extern int __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat);
 
 static inline int audit_ipc_obj(struct kern_ipc_perm *ipcp)
 {
-       if (unlikely(current->audit_context))
+       if (unlikely(!audit_dummy_context()))
                return __audit_ipc_obj(ipcp);
        return 0;
 }
 static inline int audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode)
 {
-       if (unlikely(current->audit_context))
+       if (unlikely(!audit_dummy_context()))
                return __audit_ipc_set_perm(qbytes, uid, gid, mode);
        return 0;
 }
 static inline int audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr)
 {
-       if (unlikely(current->audit_context))
+       if (unlikely(!audit_dummy_context()))
                return __audit_mq_open(oflag, mode, u_attr);
        return 0;
 }
 static inline int audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec __user *u_abs_timeout)
 {
-       if (unlikely(current->audit_context))
+       if (unlikely(!audit_dummy_context()))
                return __audit_mq_timedsend(mqdes, msg_len, msg_prio, u_abs_timeout);
        return 0;
 }
 static inline int audit_mq_timedreceive(mqd_t mqdes, size_t msg_len, unsigned int __user *u_msg_prio, const struct timespec __user *u_abs_timeout)
 {
-       if (unlikely(current->audit_context))
+       if (unlikely(!audit_dummy_context()))
                return __audit_mq_timedreceive(mqdes, msg_len, u_msg_prio, u_abs_timeout);
        return 0;
 }
 static inline int audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification)
 {
-       if (unlikely(current->audit_context))
+       if (unlikely(!audit_dummy_context()))
                return __audit_mq_notify(mqdes, u_notification);
        return 0;
 }
 static inline int audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
 {
-       if (unlikely(current->audit_context))
+       if (unlikely(!audit_dummy_context()))
                return __audit_mq_getsetattr(mqdes, mqstat);
        return 0;
 }

diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 9618d15..f571c7e 100644 (file)
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -1676,7 +1676,7 @@ int audit_bprm(struct linux_binprm *bprm)
        unsigned long p, next;
        void *to;
 
-       if (likely(!audit_enabled || !context))
+       if (likely(!audit_enabled || !context || context->dummy))
                return 0;
 
        ax = kmalloc(sizeof(*ax) + PAGE_SIZE * MAX_ARG_PAGES - bprm->p,
@@ -1714,7 +1714,7 @@ int audit_socketcall(int nargs, unsigned long *args)
        struct audit_aux_data_socketcall *ax;
        struct audit_context *context = current->audit_context;
 
-       if (likely(!context))
+       if (likely(!context || context->dummy))
                return 0;
 
        ax = kmalloc(sizeof(*ax) + nargs * sizeof(unsigned long), GFP_KERNEL);
@@ -1742,7 +1742,7 @@ int audit_sockaddr(int len, void *a)
        struct audit_aux_data_sockaddr *ax;
        struct audit_context *context = current->audit_context;
 
-       if (likely(!context))
+       if (likely(!context || context->dummy))
                return 0;
 
        ax = kmalloc(sizeof(*ax) + len, GFP_KERNEL);