net: ena: fix potential crash when rxfh key is NULL

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When ethtool -X is called without an hkey, ena_com_fill_hash_function()
is called with key=NULL, which is passed to memcpy causing a crash.

This commit fixes this issue by checking key is not NULL.

Fixes: 1738cd3ed3 ("net: ena: Add a driver for Amazon Elastic Network Adapters (ENA)")
Signed-off-by: Sameeh Jubran <sameehj@amazon.com>
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Arthur Kiyanovski 2020-02-11 15:17:40 +00:00 • committed by David S. Miller

parent 457fed775c

commit 91a65b7d3e

1 changed files with 9 additions and 8 deletions

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drivers/net/ethernet/amazon/ena/ena_com.c

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