Hi!
> fix it by allocating a usb request from IN endpoint of eem interface,
> and transmit the usb request to same IN endpoint of eem interface.
> drivers/usb/gadget/function/f_eem.c | 43
> @@ -439,11 +449,36 @@ static int eem_unwrap(struct gether *por
> skb_trim(skb2, len);
> put_unaligned_le16(BIT(15) | BIT(11) | len,
> skb_push(skb2, 2));
> +
> + ep = port->in_ep;
> + req = usb_ep_alloc_request(ep, GFP_ATOMIC);
> + if (!req) {
> + dev_kfree_skb_any(skb2);
> + goto next;
> + }
> +
> + req->buf = kmalloc(skb2->len, GFP_KERNEL);
> + if (!req->buf) {
> + usb_ep_free_request(ep, req);
> + dev_kfree_skb_any(skb2);
> + goto next;
> + }
This does not make sense; either both allocations can be GFP_KERNEL or
both must be GFP_ATOMIC, no?
Best regards,
Pavel
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