When hv_pkt_iter_next() returns NULL, it has already called hv_pkt_iter_close(). Calling it twice can lead to extra host signal. Signed-off-by: Stephen Hemminger <sthemmin@xxxxxxxxxxxxx> --- drivers/net/hyperv/netvsc.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c index 208f03aa83de..c842265d1df9 100644 --- a/drivers/net/hyperv/netvsc.c +++ b/drivers/net/hyperv/netvsc.c @@ -1190,10 +1190,6 @@ int netvsc_poll(struct napi_struct *napi, int budget) nvchan->desc = hv_pkt_iter_next(channel, nvchan->desc); } - /* if ring is empty, signal host */ - if (!nvchan->desc) - hv_pkt_iter_close(channel); - /* If send of pending receive completions suceeded * and did not exhaust NAPI budget this time * and not doing busy poll -- 2.11.0 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel