mac80211: fix deauth before assoc

[safe/jmp/linux-2.6] / kernel / auditsc.c

diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 2de95d1..3828ad5 100644 (file)
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -49,6 +49,7 @@
 #include <linux/namei.h>
 #include <linux/mm.h>
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <linux/mount.h>
 #include <linux/socket.h>
 #include <linux/mqueue.h>
@@ -168,12 +169,12 @@ 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 */
@@ -198,6 +199,7 @@ struct audit_context {
        char                target_comm[TASK_COMM_LEN];
 
        struct audit_tree_refs *trees, *first_trees;
+       struct list_head killed_trees;
        int tree_count;
 
        int type;
@@ -249,7 +251,6 @@ struct audit_context {
 #endif
 };
 
-#define ACC_MODE(x) ("\004\002\006\006"[(x)&O_ACCMODE])
 static inline int open_arg(int flags, int mask)
 {
        int n = ACC_MODE(flags);
@@ -853,6 +854,7 @@ static inline struct audit_context *audit_alloc_context(enum audit_state state)
        if (!(context = kmalloc(sizeof(*context), GFP_KERNEL)))
                return NULL;
        audit_zero_context(context, state);
+       INIT_LIST_HEAD(&context->killed_trees);
        return context;
 }
 
@@ -1545,6 +1547,8 @@ void audit_free(struct task_struct *tsk)
        /* that can happen only if we are called from do_exit() */
        if (context->in_syscall && context->current_state == AUDIT_RECORD_CONTEXT)
                audit_log_exit(context, tsk);
+       if (!list_empty(&context->killed_trees))
+               audit_kill_trees(&context->killed_trees);
 
        audit_free_context(context);
 }
@@ -1688,6 +1692,9 @@ void audit_syscall_exit(int valid, long return_code)
        context->in_syscall = 0;
        context->prio = context->state == AUDIT_RECORD_CONTEXT ? ~0ULL : 0;
 
+       if (!list_empty(&context->killed_trees))
+               audit_kill_trees(&context->killed_trees);
+
        if (context->previous) {
                struct audit_context *new_context = context->previous;
                context->previous  = NULL;
@@ -1887,7 +1894,7 @@ static int audit_inc_name_count(struct audit_context *context,
 {
        if (context->name_count >= AUDIT_NAMES) {
                if (inode)
-                       printk(KERN_DEBUG "name_count maxed, losing inode data: "
+                       printk(KERN_DEBUG "audit: name_count maxed, losing inode data: "
                               "dev=%02x:%02x, inode=%lu\n",
                               MAJOR(inode->i_sb->s_dev),
                               MINOR(inode->i_sb->s_dev),
@@ -1982,7 +1989,6 @@ void __audit_inode(const char *name, const struct dentry *dentry)
 
 /**
  * audit_inode_child - collect inode info for created/removed objects
- * @dname: inode's dentry name
  * @dentry: dentry being audited
  * @parent: inode of dentry parent
  *
@@ -1994,13 +2000,14 @@ void __audit_inode(const char *name, const struct dentry *dentry)
  * must be hooked prior, in order to capture the target inode during
  * unsuccessful attempts.
  */
-void __audit_inode_child(const char *dname, const struct dentry *dentry,
+void __audit_inode_child(const struct dentry *dentry,
                         const struct inode *parent)
 {
        int idx;
        struct audit_context *context = current->audit_context;
        const char *found_parent = NULL, *found_child = NULL;
        const struct inode *inode = dentry->d_inode;
+       const char *dname = dentry->d_name.name;
        int dirlen = 0;
 
        if (!context->in_syscall)
@@ -2008,9 +2015,6 @@ void __audit_inode_child(const char *dname, const struct dentry *dentry,
 
        if (inode)
                handle_one(inode);
-       /* determine matching parent */
-       if (!dname)
-               goto add_names;
 
        /* parent is more likely, look for it first */
        for (idx = 0; idx < context->name_count; idx++) {
@@ -2521,3 +2525,11 @@ void audit_core_dumps(long signr)
        audit_log_format(ab, " sig=%ld", signr);
        audit_log_end(ab);
 }
+
+struct list_head *audit_killed_trees(void)
+{
+       struct audit_context *ctx = current->audit_context;
+       if (likely(!ctx || !ctx->in_syscall))
+               return NULL;
+       return &ctx->killed_trees;
+}