Merge git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current

* git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current:
  lsm: Use a compressed IPv6 string format in audit events
  Audit: send signal info if selinux is disabled
  Audit: rearrange audit_context to save 16 bytes per struct
  Audit: reorganize struct audit_watch to save 8 bytes

3 files changed, 16 insertions, 10 deletions

diff --git a/kernel/audit.c b/kernel/audit.c
index defc2e6f1e3b..5feed232be9d 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -855,18 +855,24 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
                 break;
         }
         case AUDIT_SIGNAL_INFO:
-                err = security_secid_to_secctx(audit_sig_sid, &ctx, &len);
-                if (err)
-                        return err;
+                len = 0;
+                if (audit_sig_sid) {
+                        err = security_secid_to_secctx(audit_sig_sid, &ctx, &len);
+                        if (err)
+                                return err;
+                }
                 sig_data = kmalloc(sizeof(*sig_data) + len, GFP_KERNEL);
                 if (!sig_data) {
-                        security_release_secctx(ctx, len);
+                        if (audit_sig_sid)
+                                security_release_secctx(ctx, len);
                         return -ENOMEM;
                 }
                 sig_data->uid = audit_sig_uid;
                 sig_data->pid = audit_sig_pid;
-                memcpy(sig_data->ctx, ctx, len);
-                security_release_secctx(ctx, len);
+                if (audit_sig_sid) {
+                        memcpy(sig_data->ctx, ctx, len);
+                        security_release_secctx(ctx, len);
+                }
                 audit_send_reply(NETLINK_CB(skb).pid, seq, AUDIT_SIGNAL_INFO,
                                 0, 0, sig_data, sizeof(*sig_data) + len);
                 kfree(sig_data);
diff --git a/kernel/audit_watch.c b/kernel/audit_watch.c
index 0e96dbc60ea9..cc7e87936cbc 100644
--- a/kernel/audit_watch.c
+++ b/kernel/audit_watch.c
@@ -45,8 +45,8 @@
 
 struct audit_watch {
         atomic_t                count;  /* reference count */
-        char                    *path;  /* insertion path */
         dev_t                   dev;    /* associated superblock device */
+        char                    *path;  /* insertion path */
         unsigned long           ino;    /* associated inode number */
         struct audit_parent     *parent; /* associated parent */
         struct list_head        wlist;  /* entry in parent->watches list */
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 68d3c6a0ecd6..267e484f0198 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -168,12 +168,12 @@ struct audit_context {
         int                 in_syscall; /* 1 if task is in a syscall */
         enum audit_state    state, current_state;
         unsigned int        serial;     /* serial number for record */
-        struct timespec     ctime;      /* time of syscall entry */
         int                 major;      /* syscall number */
+        struct timespec     ctime;      /* time of syscall entry */
         unsigned long       argv[4];    /* syscall arguments */
-        int                 return_valid; /* return code is valid */
         long                return_code;/* syscall return code */
         u64                 prio;
+        int                 return_valid; /* return code is valid */
         int                 name_count;
         struct audit_names  names[AUDIT_NAMES];
         char *              filterkey;  /* key for rule that triggered record */
@@ -198,8 +198,8 @@ struct audit_context {
         char                target_comm[TASK_COMM_LEN];
 
         struct audit_tree_refs *trees, *first_trees;
-        int tree_count;
         struct list_head killed_trees;
+        int tree_count;
 
         int type;
         union {