On Fri, 25 Dec 2020 10:52:16 +0800 wangyunjian wrote:
> From: Yunjian Wang <wangyunj...@huawei.com>
>
> Currently the tun_napi_alloc_frags() function returns -ENOMEM when the
> number of iovs exceeds MAX_SKB_FRAGS + 1. However this is inappropriate,
> we should use -EMSGSIZE instead of -ENOMEM.
>
> The following distinctions are matters:
> 1. the caller need to drop the bad packet when -EMSGSIZE is returned,
> which means meeting a persistent failure.
> 2. the caller can try again when -ENOMEM is returned, which means
> meeting a transient failure.
>
> Fixes: 90e33d459407 ("tun: enable napi_gro_frags() for TUN/TAP driver")
> Signed-off-by: Yunjian Wang <wangyunj...@huawei.com>
> Acked-by: Willem de Bruijn <will...@google.com>
Applied, thanks everyone!
