nfp: fix infinite loop on umapping cleanup

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The while loop that performs the dma page unmapping never decrements
index counter f and hence loops forever. Fix this with a pre-decrement
on f.

Detected by CoverityScan, CID#1357309 ("Infinite loop")

Fixes: 4c3523623d ("net: add driver for Netronome NFP4000/NFP6000 NIC VFs")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Colin Ian King 2017-08-18 12:11:50 +01:00 • committed by David S. Miller

parent acc8b31665

commit eac2c68d66

1 changed files with 1 additions and 2 deletions

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3

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

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