From 7f3cf4060fe8e93d785581ea2047929c1cb15a18 Mon Sep 17 00:00:00 2001 From: Piotr Wilczek Date: Wed, 26 Jun 2013 08:22:05 +0200 Subject: [PATCH] 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 Signed-off-by: Kyungmin Park CC: Marek Vasut --- drivers/usb/gadget/f_mass_storage.c | 8 ++++---- 1 file 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; } -- 2.39.5