if (!inode)
goto out;
- ret = -EINVAL;
- len = snprintf(page, PAGE_SIZE, "/%s/%s", BOOL_DIR_NAME, names[i]);
- if (len < 0)
- goto out;
-
ret = -ENAMETOOLONG;
+ len = snprintf(page, PAGE_SIZE, "/%s/%s", BOOL_DIR_NAME, names[i]);
if (len >= PAGE_SIZE)
goto out;
static ssize_t sel_read_class(struct file *file, char __user *buf,
size_t count, loff_t *ppos)
{
- ssize_t rc, len;
- char *page;
unsigned long ino = file->f_path.dentry->d_inode->i_ino;
-
- page = (char *)__get_free_page(GFP_KERNEL);
- if (!page)
- return -ENOMEM;
-
- len = snprintf(page, PAGE_SIZE, "%d", sel_ino_to_class(ino));
- rc = simple_read_from_buffer(buf, count, ppos, page, len);
- free_page((unsigned long)page);
-
- return rc;
+ char res[TMPBUFLEN];
+ ssize_t len = snprintf(res, sizeof(res), "%d", sel_ino_to_class(ino));
+ return simple_read_from_buffer(buf, count, ppos, res, len);
}
static const struct file_operations sel_class_ops = {
static ssize_t sel_read_perm(struct file *file, char __user *buf,
size_t count, loff_t *ppos)
{
- ssize_t rc, len;
- char *page;
unsigned long ino = file->f_path.dentry->d_inode->i_ino;
-
- page = (char *)__get_free_page(GFP_KERNEL);
- if (!page)
- return -ENOMEM;
-
- len = snprintf(page, PAGE_SIZE, "%d", sel_ino_to_perm(ino));
- rc = simple_read_from_buffer(buf, count, ppos, page, len);
- free_page((unsigned long)page);
-
- return rc;
+ char res[TMPBUFLEN];
+ ssize_t len = snprintf(res, sizeof(res), "%d", sel_ino_to_perm(ino));
+ return simple_read_from_buffer(buf, count, ppos, res, len);
}
static const struct file_operations sel_perm_ops = {