[PATCH] switch audit_get_loginuid() to task_struct *

all callers pass something->audit_context
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

drivers/char/tty_audit.c

@@ -105,8 +105,7 @@ static void tty_audit_buf_push(struct task_struct *tsk, uid_t loginuid,
  */
 static void tty_audit_buf_push_current(struct tty_audit_buf *buf)
 {
-	tty_audit_buf_push(current, audit_get_loginuid(current->audit_context),
-			   buf);
+	tty_audit_buf_push(current, audit_get_loginuid(current), buf);
 }
 
 /**

fs/proc/base.c

@@ -984,7 +984,7 @@ static ssize_t proc_loginuid_read(struct file * file, char __user * buf,
 	if (!task)
 		return -ESRCH;
 	length = scnprintf(tmpbuf, TMPBUFLEN, "%u",
-				audit_get_loginuid(task->audit_context));
+				audit_get_loginuid(task));
 	put_task_struct(task);
 	return simple_read_from_buffer(buf, count, ppos, tmpbuf, length);
 }

include/linux/audit.h

@@ -409,7 +409,7 @@ extern unsigned int audit_serial(void);
 extern void auditsc_get_stamp(struct audit_context *ctx,
 			      struct timespec *t, unsigned int *serial);
 extern int  audit_set_loginuid(struct task_struct *task, uid_t loginuid);
-extern uid_t audit_get_loginuid(struct audit_context *ctx);
+extern uid_t audit_get_loginuid(struct task_struct *task);
 extern void audit_log_task_context(struct audit_buffer *ab);
 extern int __audit_ipc_obj(struct kern_ipc_perm *ipcp);
 extern int __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode);
@@ -488,7 +488,7 @@ extern int audit_signals;
 #define audit_inode_child(d,i,p) do { ; } while (0)
 #define audit_core_dumps(i) do { ; } while (0)
 #define auditsc_get_stamp(c,t,s) do { BUG(); } while (0)
-#define audit_get_loginuid(c) ({ -1; })
+#define audit_get_loginuid(t) (-1)
 #define audit_log_task_context(b) do { ; } while (0)
 #define audit_ipc_obj(i) ({ 0; })
 #define audit_ipc_set_perm(q,u,g,m) ({ 0; })

kernel/auditsc.c

@@ -1804,8 +1804,9 @@ int audit_set_loginuid(struct task_struct *task, uid_t loginuid)
  *
  * Returns the context's loginuid or -1 if @ctx is NULL.
  */
-uid_t audit_get_loginuid(struct audit_context *ctx)
+uid_t audit_get_loginuid(struct task_struct *task)
 {
+	struct audit_context *ctx = task->audit_context;
 	return ctx ? ctx->loginuid : -1;
 }
 
@@ -2273,7 +2274,7 @@ void audit_core_dumps(long signr)
 
 	ab = audit_log_start(NULL, GFP_KERNEL, AUDIT_ANOM_ABEND);
 	audit_log_format(ab, "auid=%u uid=%u gid=%u",
-			audit_get_loginuid(current->audit_context),
+			audit_get_loginuid(current),
 			current->uid, current->gid);
 	selinux_get_task_sid(current, &sid);
 	if (sid) {

net/core/dev.c

@@ -2757,7 +2757,7 @@ static void __dev_set_promiscuity(struct net_device *dev, int inc)
 			"dev=%s prom=%d old_prom=%d auid=%u",
 			dev->name, (dev->flags & IFF_PROMISC),
 			(old_flags & IFF_PROMISC),
-			audit_get_loginuid(current->audit_context));
+			audit_get_loginuid(current));
 
 		if (dev->change_rx_flags)
 			dev->change_rx_flags(dev, IFF_PROMISC);

net/key/af_key.c

@@ -1466,7 +1466,7 @@ static int pfkey_add(struct sock *sk, struct sk_buff *skb, struct sadb_msg *hdr,
 		err = xfrm_state_update(x);
 
 	xfrm_audit_state_add(x, err ? 0 : 1,
-			     audit_get_loginuid(current->audit_context), 0);
+			     audit_get_loginuid(current), 0);
 
 	if (err < 0) {
 		x->km.state = XFRM_STATE_DEAD;
@@ -1520,7 +1520,7 @@ static int pfkey_delete(struct sock *sk, struct sk_buff *skb, struct sadb_msg *h
 	km_state_notify(x, &c);
 out:
 	xfrm_audit_state_delete(x, err ? 0 : 1,
-			       audit_get_loginuid(current->audit_context), 0);
+			       audit_get_loginuid(current), 0);
 	xfrm_state_put(x);
 
 	return err;
@@ -1695,7 +1695,7 @@ static int pfkey_flush(struct sock *sk, struct sk_buff *skb, struct sadb_msg *hd
 	if (proto == 0)
 		return -EINVAL;
 
-	audit_info.loginuid = audit_get_loginuid(current->audit_context);
+	audit_info.loginuid = audit_get_loginuid(current);
 	audit_info.secid = 0;
 	err = xfrm_state_flush(proto, &audit_info);
 	if (err)
@@ -2273,7 +2273,7 @@ static int pfkey_spdadd(struct sock *sk, struct sk_buff *skb, struct sadb_msg *h
 				 hdr->sadb_msg_type != SADB_X_SPDUPDATE);
 
 	xfrm_audit_policy_add(xp, err ? 0 : 1,
-			     audit_get_loginuid(current->audit_context), 0);
+			     audit_get_loginuid(current), 0);
 
 	if (err)
 		goto out;
@@ -2356,7 +2356,7 @@ static int pfkey_spddelete(struct sock *sk, struct sk_buff *skb, struct sadb_msg
 		return -ENOENT;
 
 	xfrm_audit_policy_delete(xp, err ? 0 : 1,
-				audit_get_loginuid(current->audit_context), 0);
+				audit_get_loginuid(current), 0);
 
 	if (err)
 		goto out;
@@ -2617,7 +2617,7 @@ static int pfkey_spdget(struct sock *sk, struct sk_buff *skb, struct sadb_msg *h
 
 	if (delete) {
 		xfrm_audit_policy_delete(xp, err ? 0 : 1,
-				audit_get_loginuid(current->audit_context), 0);
+				audit_get_loginuid(current), 0);
 
 		if (err)
 			goto out;
@@ -2694,7 +2694,7 @@ static int pfkey_spdflush(struct sock *sk, struct sk_buff *skb, struct sadb_msg
 	struct xfrm_audit audit_info;
 	int err;
 
-	audit_info.loginuid = audit_get_loginuid(current->audit_context);
+	audit_info.loginuid = audit_get_loginuid(current);
 	audit_info.secid = 0;
 	err = xfrm_policy_flush(XFRM_POLICY_TYPE_MAIN, &audit_info);
 	if (err)

net/netlink/af_netlink.c

@@ -1238,7 +1238,7 @@ static int netlink_sendmsg(struct kiocb *kiocb, struct socket *sock,
 
 	NETLINK_CB(skb).pid	= nlk->pid;
 	NETLINK_CB(skb).dst_group = dst_group;
-	NETLINK_CB(skb).loginuid = audit_get_loginuid(current->audit_context);
+	NETLINK_CB(skb).loginuid = audit_get_loginuid(current);
 	selinux_get_task_sid(current, &(NETLINK_CB(skb).sid));
 	memcpy(NETLINK_CREDS(skb), &siocb->scm->creds, sizeof(struct ucred));
 

net/xfrm/xfrm_state.c

@@ -493,7 +493,7 @@ static void xfrm_timer_handler(unsigned long data)
 		km_state_expired(x, 1, 0);
 
 	xfrm_audit_state_delete(x, err ? 0 : 1,
-				audit_get_loginuid(current->audit_context), 0);
+				audit_get_loginuid(current), 0);
 
 out:
 	spin_unlock(&x->lock);

security/selinux/selinuxfs.c

@@ -174,7 +174,7 @@ static ssize_t sel_write_enforce(struct file * file, const char __user * buf,
 		audit_log(current->audit_context, GFP_KERNEL, AUDIT_MAC_STATUS,
 			"enforcing=%d old_enforcing=%d auid=%u", new_value, 
 			selinux_enforcing,
-			audit_get_loginuid(current->audit_context));
+			audit_get_loginuid(current));
 		selinux_enforcing = new_value;
 		if (selinux_enforcing)
 			avc_ss_reset(0);
@@ -244,7 +244,7 @@ static ssize_t sel_write_disable(struct file * file, const char __user * buf,
 			goto out;
 		audit_log(current->audit_context, GFP_KERNEL, AUDIT_MAC_STATUS,
 			"selinux=0 auid=%u",
-			audit_get_loginuid(current->audit_context));
+			audit_get_loginuid(current));
 	}
 
 	length = count;
@@ -357,7 +357,7 @@ static ssize_t sel_write_load(struct file * file, const char __user * buf,
 
 	audit_log(current->audit_context, GFP_KERNEL, AUDIT_MAC_POLICY_LOAD,
 		"policy loaded auid=%u",
-		audit_get_loginuid(current->audit_context));
+		audit_get_loginuid(current));
 out:
 	mutex_unlock(&sel_mutex);
 	vfree(data);

security/selinux/ss/services.c

@@ -1909,7 +1909,7 @@ int security_set_bools(int len, int *values)
 				policydb.p_bool_val_to_name[i],
 				!!values[i],
 				policydb.bool_val_to_struct[i]->state,
-				audit_get_loginuid(current->audit_context));
+				audit_get_loginuid(current));
 		}
 		if (values[i]) {
 			policydb.bool_val_to_struct[i]->state = 1;