diff options
| author | Felix Manlunas <felix.manlunas@cavium.com> | 2017-02-07 12:10:58 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-02-07 15:37:43 -0500 |
| commit | 76e0e70e6452b971a69cc9794ff4a6715c11f7f2 (patch) | |
| tree | a9914ee97e172cb0be8b506033f81f9988f74f97 | |
| parent | ca6d4480f87db9d9470d3d7bbe445953fa105e57 (diff) | |
| download | linux-76e0e70e6452b971a69cc9794ff4a6715c11f7f2.tar.bz2 | |
liquidio: do not dereference pointer if it's NULL
Fix smatch errors by not dereferencing iq pointer if it's NULL.
See http://marc.info/?l=kernel-janitors&m=148637299004834&w=2
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/cavium/liquidio/lio_main.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/cavium/liquidio/lio_vf_main.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_main.c b/drivers/net/ethernet/cavium/liquidio/lio_main.c index c12cfa4113cc..a3c7b999e526 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_main.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_main.c @@ -2447,7 +2447,7 @@ static int liquidio_napi_poll(struct napi_struct *napi, int budget) /* force enable interrupt if reg cnts are high to avoid wraparound */ if ((work_done < budget && tx_done) || - (iq->pkt_in_done >= MAX_REG_CNT) || + (iq && iq->pkt_in_done >= MAX_REG_CNT) || (droq->pkt_count >= MAX_REG_CNT)) { tx_done = 1; napi_complete_done(napi, work_done); diff --git a/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c b/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c index 631f1c0f9e4d..0536cb9f6182 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c @@ -1632,7 +1632,7 @@ static int liquidio_napi_poll(struct napi_struct *napi, int budget) /* force enable interrupt if reg cnts are high to avoid wraparound */ if ((work_done < budget && tx_done) || - (iq->pkt_in_done >= MAX_REG_CNT) || + (iq && iq->pkt_in_done >= MAX_REG_CNT) || (droq->pkt_count >= MAX_REG_CNT)) { tx_done = 1; napi_complete_done(napi, work_done); |