diff options
Diffstat (limited to 'drivers/usb/emul/sandbox_flash.c')
-rw-r--r-- | drivers/usb/emul/sandbox_flash.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/usb/emul/sandbox_flash.c b/drivers/usb/emul/sandbox_flash.c index cc80f671337..01b2b41cce9 100644 --- a/drivers/usb/emul/sandbox_flash.c +++ b/drivers/usb/emul/sandbox_flash.c @@ -228,9 +228,9 @@ static void handle_read(struct sandbox_flash_priv *priv, ulong lba, ulong transfer_len) { debug("%s: lba=%lx, transfer_len=%lx\n", __func__, lba, transfer_len); + priv->read_len = transfer_len; if (priv->fd != -1) { os_lseek(priv->fd, lba * SANDBOX_FLASH_BLOCK_LEN, OS_SEEK_SET); - priv->read_len = transfer_len; setup_response(priv, priv->buff, transfer_len * SANDBOX_FLASH_BLOCK_LEN); } else { @@ -336,6 +336,9 @@ static int sandbox_flash_bulk(struct udevice *dev, struct usb_device *udev, if (priv->read_len) { ulong bytes_read; + if (priv->fd == -1) + return -EIO; + bytes_read = os_read(priv->fd, buff, len); if (bytes_read != len) return -EIO; |