diff options
| author | Jakub Kicinski | 2018-07-26 04:40:37 +0200 |
|---|---|---|
| committer | David S. Miller | 2018-07-26 07:17:44 +0200 |
| commit | 5ea14712d7a22703645217c5296e72cb5adba0a6 (patch) | |
| tree | 4179e0924b2d71193267da4cc6d9a2e97dbd12fb /drivers/net/ethernet/netronome/nfp/nfp_net.h | |
| parent | nfp: restore correct ordering of fields in rx ring structure (diff) | |
| download | kernel-qcow2-linux-5ea14712d7a22703645217c5296e72cb5adba0a6.tar.gz kernel-qcow2-linux-5ea14712d7a22703645217c5296e72cb5adba0a6.tar.xz kernel-qcow2-linux-5ea14712d7a22703645217c5296e72cb5adba0a6.zip | |
nfp: protect from theoretical size overflows on HW descriptor ring
Use array_size() and store the size as full size_t to protect from
theoretical size overflow when handling HW descriptor rings.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/nfp_net.h')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_net.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net.h b/drivers/net/ethernet/netronome/nfp/nfp_net.h index 607896910fb0..439e6ffe2f05 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net.h +++ b/drivers/net/ethernet/netronome/nfp/nfp_net.h @@ -250,7 +250,7 @@ struct nfp_net_tx_ring { struct nfp_net_tx_desc *txds; dma_addr_t dma; - unsigned int size; + size_t size; bool is_xdp; } ____cacheline_aligned; @@ -372,7 +372,7 @@ struct nfp_net_rx_ring { struct xdp_rxq_info xdp_rxq; dma_addr_t dma; - unsigned int size; + size_t size; } ____cacheline_aligned; /** |