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Commit 997694de authored by Skip Hansen's avatar Skip Hansen Committed by Greg Kroah-Hartman
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gadgetfs patch for ep0out 



For ep0out transfers (rare), be sure to copy the right data to userspace.

Signed-off-by: default avatarDavid Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 53bd6a60

drivers/usb/gadget/inode.c

+1 −1
Original line number Diff line number Diff line
@@ -1015,7 +1015,7 @@ ep0_read (struct file *fd, char __user *buf, size_t len, loff_t *ptr) 
			else {

				len = min (len, (size_t)dev->req->actual);

// FIXME don't call this with the spinlock held ...

				if (copy_to_user (buf, &dev->req->buf, len))

				if (copy_to_user (buf, dev->req->buf, len))

					retval = -EFAULT;

				clean_req (dev->gadget->ep0, dev->req);

				/* NOTE userspace can't yet choose to stall */