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| author |   Jeff Garzik <jgarzik@pobox.com> | 2006-02-02 01:12:54 -0500 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2006-02-02 01:12:54 -0500 |
| commit | 18ee3610040a4c008ce08a40a5dd025241cc7e97 (patch) | |
| tree | 32a996a5123726b63c31a1522f230933fb967a32 /drivers/usb/gadget/inode.c | |
| parent | [libata sata_mv] add 6042 support, fix 60xx/50xx EDMA configuration (diff) | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/perex/alsa (diff) | |
| download | linux-dev-18ee3610040a4c008ce08a40a5dd025241cc7e97.tar.xz linux-dev-18ee3610040a4c008ce08a40a5dd025241cc7e97.zip | |
Merge branch 'master'
Diffstat (limited to 'drivers/usb/gadget/inode.c')
| -rw-r--r-- | drivers/usb/gadget/inode.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c index 9a4edc5657aa..0aab7d24c768 100644 --- a/drivers/usb/gadget/inode.c +++ b/drivers/usb/gadget/inode.c @@ -135,6 +135,7 @@ struct dev_data { setup_out_ready : 1, setup_out_error : 1, setup_abort : 1; + unsigned setup_wLength; /* the rest is basically write-once */ struct usb_config_descriptor *config, *hs_config; @@ -942,6 +943,7 @@ static int setup_req (struct usb_ep *ep, struct usb_request *req, u16 len) } req->complete = ep0_complete; req->length = len; + req->zero = 0; return 0; } @@ -1161,10 +1163,13 @@ ep0_write (struct file *fd, const char __user *buf, size_t len, loff_t *ptr) spin_unlock_irq (&dev->lock); if (copy_from_user (dev->req->buf, buf, len)) retval = -EFAULT; - else + else { + if (len < dev->setup_wLength) + dev->req->zero = 1; retval = usb_ep_queue ( dev->gadget->ep0, dev->req, GFP_KERNEL); + } if (retval < 0) { spin_lock_irq (&dev->lock); clean_req (dev->gadget->ep0, dev->req); @@ -1483,6 +1488,7 @@ unrecognized: delegate: dev->setup_in = (ctrl->bRequestType & USB_DIR_IN) ? 1 : 0; + dev->setup_wLength = w_length; dev->setup_out_ready = 0; dev->setup_out_error = 0; value = 0; |