• Herbert Xu's avatar
    caif: Fix napi poll list corruption · 3079c652
    Herbert Xu authored
    The commit d75b1ade (net: less
    interrupt masking in NAPI) breaks caif.
    
    It is now required that if the entire budget is consumed when poll
    returns, the napi poll_list must remain empty.  However, like some
    other drivers caif tries to do a last-ditch check and if there is
    more work it will call napi_schedule and then immediately process
    some of this new work.  Should the entire budget be consumed while
    processing such new work then we will violate the new caller
    contract.
    
    This patch fixes this by not touching any work when we reschedule
    in caif.
    Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
    Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
    3079c652
caif_virtio.c 21 KB