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sh_eth: Fix power down vs. is_opened flag ordering

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commit f6a2e94b3f9d89cb40771ff746b16b5687650cbb upstream.

sh_eth_close() does a synchronous power down of the device before
marking it closed.  Revert the order, to make sure the device is never
marked opened while suspended.

While at it, use pm_runtime_put() instead of pm_runtime_put_sync(), as
there is no reason to do a synchronous power down.

Fixes: 7fa2955ff7 ("sh_eth: Fix sleeping function called from invalid context")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Sergei Shtylyov <sergei.shtylyov@gmail.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Link: https://lore.kernel.org/r/20210118150812.796791-1-geert+renesas@glider.be
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Geert Uytterhoeven 2021-01-18 16:08:12 +01:00 • committed by Greg Kroah-Hartman
commit 0ff55fc4d6
1 changed files with 2 additions and 2 deletions
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4
drivers/net/ethernet/renesas/sh_eth.c
View file

@ -2640,10 +2640,10 @@ static int sh_eth_close(struct net_device *ndev)
/* Free all the skbuffs in the Rx queue and the DMA buffer. */
sh_eth_ring_free(ndev);
pm_runtime_put_sync(&mdp->pdev->dev);
mdp->is_opened = 0;
pm_runtime_put(&mdp->pdev->dev);
return 0;
}