diff options
| author | Piotr Wilczek <p.wilczek@samsung.com> | 2013-06-26 08:22:05 +0200 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2013-06-30 18:41:07 +0200 |
| commit | 7f3cf4060fe8e93d785581ea2047929c1cb15a18 (patch) | |
| tree | e2fcd675dbaa72ce5c8ed7769d85d2cfb9a905c9 /drivers/usb | |
| parent | e7e75c70c5d5d3365606c4a76adb7ff4822d2f75 (diff) | |
| download | blackbird-obmc-uboot-7f3cf4060fe8e93d785581ea2047929c1cb15a18.tar.gz blackbird-obmc-uboot-7f3cf4060fe8e93d785581ea2047929c1cb15a18.zip | |
drivers:usb: use get|put_unaligned_le16
This patch use get|put_unaligned_le16 to access structure data
to avoid data abort on some ARM platforms.
Signed-off-by: Piotr Wilczek <p.wilczek@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
CC: Marek Vasut <marex@denx.de>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/gadget/f_mass_storage.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c index 45bc132aef..5b348d7a6e 100644 --- a/drivers/usb/gadget/f_mass_storage.c +++ b/drivers/usb/gadget/f_mass_storage.c @@ -577,9 +577,9 @@ static int fsg_setup(struct usb_function *f, { struct fsg_dev *fsg = fsg_from_func(f); struct usb_request *req = fsg->common->ep0req; - u16 w_index = le16_to_cpu(ctrl->wIndex); - u16 w_value = le16_to_cpu(ctrl->wValue); - u16 w_length = le16_to_cpu(ctrl->wLength); + u16 w_index = get_unaligned_le16(&ctrl->wIndex); + u16 w_value = get_unaligned_le16(&ctrl->wValue); + u16 w_length = get_unaligned_le16(&ctrl->wLength); if (!fsg_is_set(fsg->common)) return -EOPNOTSUPP; @@ -617,7 +617,7 @@ static int fsg_setup(struct usb_function *f, "unknown class-specific control req " "%02x.%02x v%04x i%04x l%u\n", ctrl->bRequestType, ctrl->bRequest, - le16_to_cpu(ctrl->wValue), w_index, w_length); + get_unaligned_le16(&ctrl->wValue), w_index, w_length); return -EOPNOTSUPP; } |
