nfp: don't dereference a null nn->eth_port to print a warning
On the case where nn->eth_port is null the warning message is printing the port by dereferencing this null pointer. Remove the deference to avoid a crash when printing the warning message. Detected by CoverityScan, CID#1426198 ("Dereference after null check") Fixes: ce22f5a2 ("nfp: separate high level and low level NSP headers") Signed-off-by: NColin Ian King <colin.king@canonical.com> Acked-by: NJakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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