Message ID | 20170818200719.GA4685@felix-thinkpad.cavium.com |
---|---|
State | Accepted, archived |
Delegated to: | David Miller |
Headers | show |
From: Felix Manlunas <felix.manlunas@cavium.com> Date: Fri, 18 Aug 2017 13:07:19 -0700 > From: Intiyaz Basha <intiyaz.basha@cavium.com> > > Fix Smatch error by not dereferencing iq pointer if it's NULL. > > See http://marc.info/?l=kernel-janitors&m=150296723301129&w=2 > > Also, remove unnecessary parentheses. > > Fixes: d314ac222829 ("liquidio: moved liquidio_napi_poll to lio_core.c") > Reported-by: Dan Carpenter <dan.carpenter@oracle.com> > Signed-off-by: Intiyaz Basha <intiyaz.basha@cavium.com> > Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com> Applied.
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_core.c b/drivers/net/ethernet/cavium/liquidio/lio_core.c index d4f0646..0e7896c 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_core.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_core.c @@ -668,8 +668,8 @@ static int liquidio_napi_poll(struct napi_struct *napi, int budget) #define MAX_REG_CNT 2000000U /* force enable interrupt if reg cnts are high to avoid wraparound */ - if (((work_done < budget) && (tx_done)) || - (iq->pkt_in_done >= MAX_REG_CNT) || + if ((work_done < budget && tx_done) || + (iq && iq->pkt_in_done >= MAX_REG_CNT) || (droq->pkt_count >= MAX_REG_CNT)) { tx_done = 1; napi_complete_done(napi, work_done);