From: qianfan Zhao qianfanguijin@163.com

If the downloading file size is equal to the partition size, "fastboot flash" can't work, at least in sunxi platform, because used an uninitalized point: ep->desc.

Reproduce: fastboot flash loader1 spl/sunxi-spl.bin.

Fix it.

Signed-off-by: qianfan Zhao qianfanguijin@163.com --- drivers/usb/gadget/f_fastboot.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/usb/gadget/f_fastboot.c b/drivers/usb/gadget/f_fastboot.c index 8ba55aab9f..45bb3aba66 100644 --- a/drivers/usb/gadget/f_fastboot.c +++ b/drivers/usb/gadget/f_fastboot.c @@ -319,13 +319,13 @@ static int fastboot_set_alt(struct usb_function *f, struct usb_composite_dev *cdev = f->config->cdev; struct usb_gadget *gadget = cdev->gadget; struct f_fastboot *f_fb = func_to_fastboot(f); - const struct usb_endpoint_descriptor *d;

debug("%s: func: %s intf: %d alt: %d\n", __func__, f->name, interface, alt);

- d = fb_ep_desc(gadget, &fs_ep_out, &hs_ep_out, &ss_ep_out); - ret = usb_ep_enable(f_fb->out_ep, d); + f_fb->out_ep->desc = fb_ep_desc(gadget, &fs_ep_out, &hs_ep_out, + &ss_ep_out); + ret = usb_ep_enable(f_fb->out_ep, f_fb->out_ep->desc); if (ret) { puts("failed to enable out ep\n"); return ret; @@ -339,8 +339,8 @@ static int fastboot_set_alt(struct usb_function *f, } f_fb->out_req->complete = rx_handler_command;

- d = fb_ep_desc(gadget, &fs_ep_in, &hs_ep_in, &ss_ep_in); - ret = usb_ep_enable(f_fb->in_ep, d); + f_fb->in_ep->desc = fb_ep_desc(gadget, &fs_ep_in, &hs_ep_in, &ss_ep_in); + ret = usb_ep_enable(f_fb->in_ep, f_fb->in_ep->desc); if (ret) { puts("failed to enable in ep\n"); goto err;