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net: ena: fix: Free napi resources when ena_up() fails

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ena_up() calls ena_init_napi() but does not call ena_del_napi() in
case of failure. This causes a segmentation fault upon rmmod when
netif_napi_del() is called. Fix this bug by calling ena_del_napi()
before returning error from ena_up().

Fixes: 1738cd3ed3 ("net: ena: Add a driver for Amazon Elastic Network Adapters (ENA)")
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: Sameeh Jubran <sameehj@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sameeh Jubran 2019-05-01 16:47:05 +03:00 committed by David S. Miller
parent 8ee8ee7fe8
commit b287cdbd1c
1 changed files with 1 additions and 0 deletions
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drivers/net/ethernet/amazon/ena/ena_netdev.c
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@ -1825,6 +1825,7 @@ err_setup_rx:
err_setup_tx:
ena_free_io_irq(adapter);
err_req_irq:
ena_del_napi(adapter);
return rc;
}