Merge branches 'msm-core' and 'msm-mmc' into for-next
[cascardo/linux.git] / fs / proc / base.c
index 53dc8ad..1828451 100644 (file)
@@ -226,7 +226,7 @@ struct mm_struct *mm_for_maps(struct task_struct *task)
 {
        struct mm_struct *mm;
 
-       if (mutex_lock_killable(&task->cred_guard_mutex))
+       if (mutex_lock_killable(&task->signal->cred_guard_mutex))
                return NULL;
 
        mm = get_task_mm(task);
@@ -235,7 +235,7 @@ struct mm_struct *mm_for_maps(struct task_struct *task)
                mmput(mm);
                mm = NULL;
        }
-       mutex_unlock(&task->cred_guard_mutex);
+       mutex_unlock(&task->signal->cred_guard_mutex);
 
        return mm;
 }
@@ -771,6 +771,8 @@ static const struct file_operations proc_single_file_operations = {
 static int mem_open(struct inode* inode, struct file* file)
 {
        file->private_data = (void*)((long)current->self_exec_id);
+       /* OK to pass negative loff_t, we can catch out-of-range */
+       file->f_mode |= FMODE_UNSIGNED_OFFSET;
        return 0;
 }
 
@@ -1572,7 +1574,7 @@ static int do_proc_readlink(struct path *path, char __user *buffer, int buflen)
        if (!tmp)
                return -ENOMEM;
 
-       pathname = d_path_with_unreachable(path, tmp, PAGE_SIZE);
+       pathname = d_path(path, tmp, PAGE_SIZE);
        len = PTR_ERR(pathname);
        if (IS_ERR(pathname))
                goto out;
@@ -1646,6 +1648,7 @@ static struct inode *proc_pid_make_inode(struct super_block * sb, struct task_st
 
        /* Common stuff */
        ei = PROC_I(inode);
+       inode->i_ino = get_next_ino();
        inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
        inode->i_op = &proc_def_inode_operations;
 
@@ -2351,14 +2354,14 @@ static ssize_t proc_pid_attr_write(struct file * file, const char __user * buf,
                goto out_free;
 
        /* Guard against adverse ptrace interaction */
-       length = mutex_lock_interruptible(&task->cred_guard_mutex);
+       length = mutex_lock_interruptible(&task->signal->cred_guard_mutex);
        if (length < 0)
                goto out_free;
 
        length = security_setprocattr(task,
                                      (char*)file->f_path.dentry->d_name.name,
                                      (void*)page, count);
-       mutex_unlock(&task->cred_guard_mutex);
+       mutex_unlock(&task->signal->cred_guard_mutex);
 out_free:
        free_page((unsigned long) page);
 out:
@@ -2592,6 +2595,7 @@ static struct dentry *proc_base_instantiate(struct inode *dir,
 
        /* Initialize the inode */
        ei = PROC_I(inode);
+       inode->i_ino = get_next_ino();
        inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
 
        /*