diff options
| author |   Rick Farrington <ricardo.farrington@cavium.com> | 2017-07-17 17:51:10 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-07-19 13:24:46 -0700 |
| commit | 689062a18c00f49f9c32ac8d5366c075ab691c30 (patch) | |
| tree | 119ee6676f73fc3571bb6c451fcc70d63bbaf501 /drivers/net/ethernet/cavium/liquidio/octeon_droq.c | |
| parent | liquidio: lowmem: init allocated memory to 0 (diff) | |
| download | linux-dev-689062a18c00f49f9c32ac8d5366c075ab691c30.tar.xz linux-dev-689062a18c00f49f9c32ac8d5366c075ab691c30.zip | |
liquidio: lowmem: do not dereference null ptr
Don't dereference a NULL ptr in octeon_droq_destroy_ring_buffers().
Signed-off-by: Rick Farrington <ricardo.farrington@cavium.com>
Signed-off-by: Satanand Burla <satananda.burla@cavium.com>
Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/cavium/liquidio/octeon_droq.c')
| -rw-r--r-- | drivers/net/ethernet/cavium/liquidio/octeon_droq.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_droq.c b/drivers/net/ethernet/cavium/liquidio/octeon_droq.c index 645668339620..f7b5d68eb4cf 100644 --- a/drivers/net/ethernet/cavium/liquidio/octeon_droq.c +++ b/drivers/net/ethernet/cavium/liquidio/octeon_droq.c @@ -145,6 +145,8 @@ octeon_droq_destroy_ring_buffers(struct octeon_device *oct, for (i = 0; i < droq->max_count; i++) { pg_info = &droq->recv_buf_list[i].pg_info; + if (!pg_info) + continue; if (pg_info->dma) lio_unmap_ring(oct->pci_dev, |