On 01/18/2019 04:46 AM, Dave McKay wrote:
> The state member of the napi_struct is not initialised correctly, it
> sets the SCHED bit without initialising the state to zero first. This
> results in peculiar behaviour if the original napi_struct didn't come
> from a zero initialised region to start with.
>
> This patch just sets it directly using the appropriate bitfield
> constant.
>
> Signed-off-by: Dave McKay <mckay.da...@gmail.com>
> ---
> net/core/dev.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/net/core/dev.c b/net/core/dev.c
> index 82f20022259d..250f97bf1973 100644
> --- a/net/core/dev.c
> +++ b/net/core/dev.c
> @@ -6276,7 +6276,7 @@ void netif_napi_add(struct net_device *dev, struct
> napi_struct *napi,
> #ifdef CONFIG_NETPOLL
> napi->poll_owner = -1;
> #endif
> - set_bit(NAPI_STATE_SCHED, &napi->state);
> + napi->state = NAPIF_STATE_SCHED;
> napi_hash_add(napi);
> }
> EXPORT_SYMBOL(netif_napi_add);
>
I am curious, which driver has exhibit any issue with current code ?
Thanks.