nfp: protect from theoretical size overflows on HW descriptor ring

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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>

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Jakub Kicinski 2018-07-25 19:40:37 -07:00 • committed by David S. Miller

parent e76c1d3d2a

commit 5ea14712d7

2 changed files with 7 additions and 6 deletions

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4

drivers/net/ethernet/netronome/nfp/nfp_net.h

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9

drivers/net/ethernet/netronome/nfp/nfp_net_common.c

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