static ssize_t manage_flash_write(struct file *file, const char __user *buf,
size_t count, loff_t *off)
{
struct proc_dir_entry *dp = PDE(file->f_path.dentry->d_inode);
struct rtas_manage_flash_t *args_buf;
const char reject_str[] = "0";
const char commit_str[] = "1";
char stkbuf[10];
int op;
args_buf = (struct rtas_manage_flash_t *) dp->data;
if ((args_buf->status == MANAGE_AUTH) || (count == 0))
return count;
op = -1;
if (buf) {
if (count > 9) count = 9;
if (copy_from_user (stkbuf, buf, count)) {
return -EFAULT;
}
if (strncmp(stkbuf, reject_str, strlen(reject_str)) == 0)
op = RTAS_REJECT_TMP_IMG;
else if (strncmp(stkbuf, commit_str, strlen(commit_str)) == 0)
op = RTAS_COMMIT_TMP_IMG;
}
if (op == -1) /* buf is empty, or contains invalid string */
return -EINVAL;
args_buf->op = op;
manage_flash(args_buf);
return count;
}
static ssize_t manage_flash_write(struct file *file, const char __user *buf,
size_t count, loff_t *off)
{
struct rtas_manage_flash_t *const args_buf = &rtas_manage_flash_data;
static const char reject_str[] = "0";
static const char commit_str[] = "1";
char stkbuf[10];
int op, rc;
mutex_lock(&rtas_manage_flash_mutex);
if ((args_buf->status == MANAGE_AUTH) || (count == 0))
goto out;
op = -1;
if (buf) {
if (count > 9) count = 9;
rc = -EFAULT;
if (copy_from_user (stkbuf, buf, count))
goto error;
if (strncmp(stkbuf, reject_str, strlen(reject_str)) == 0)
op = RTAS_REJECT_TMP_IMG;
else if (strncmp(stkbuf, commit_str, strlen(commit_str)) == 0)
op = RTAS_COMMIT_TMP_IMG;
}
if (op == -1) { /* buf is empty, or contains invalid string */
rc = -EINVAL;
goto error;
}
manage_flash(args_buf, op);
out:
mutex_unlock(&rtas_manage_flash_mutex);
return count;
error:
mutex_unlock(&rtas_manage_flash_mutex);
return rc;
}
