net: stmmac: Fix a race in EEE enable callback

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We are saving the status of EEE even before we try to enable it. This
leads to a race with XMIT function that tries to arm EEE timer before we
set it up.

Fix this by only saving the EEE parameters after all operations are
performed with success.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Fixes: d765955d2a ("stmmac: add the Energy Efficient Ethernet support")
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

...

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Jose Abreu 2019-02-18 14:35:03 +01:00 • committed by David S. Miller

parent 694d79027e

commit 8a7493e58a

1 changed files with 12 additions and 10 deletions

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22

drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c

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