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SubjectRe: [PATCH v4 4/7] usb: gadget: f_midi: fix leak on failed to enqueue out requests
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On 10/26/2015 05:55 PM, Felipe F. Tonello wrote:
> This patch fixes a memory leak that occurs when an endpoint fails to enqueue
> the request. If that happens the complete function will never be called, thus
> never freeing the request.
>
> Signed-off-by: Felipe F. Tonello <eu@felipetonello.com>
> ---
> drivers/usb/gadget/function/f_midi.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c
> index 4c01c8a..0e9cdeb 100644
> --- a/drivers/usb/gadget/function/f_midi.c
> +++ b/drivers/usb/gadget/function/f_midi.c
> @@ -344,6 +344,7 @@ static int f_midi_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
> if (err) {
> ERROR(midi, "%s queue req: %d\n",
> midi->out_ep->name, err);
> + free_ep_req(midi->out_ep, req);
> }
> }
>
>

Don't we have similar problem in f_midi_transmit() and f_midi_complete()
functions?

Best regards,
Robert



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