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| author | Neil Armstrong <narmstrong@baylibre.com> | 2015-12-07 15:57:33 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-12-08 00:35:50 +0300 |
| commit | b0dc635d923cd5aafa4e99973f529bf68c582738 (patch) | |
| tree | 294a7a7452684e626f7cf06f92f0e237e87e3a53 | |
| parent | 4baee937b8d551c89f61542a575378e407b63415 (diff) | |
| download | linux-b0dc635d923cd5aafa4e99973f529bf68c582738.tar.xz | |
net: dsa: cleanup resources upon module removal
Make sure that we unassign the master_netdev dsa_ptr to make the packet
processing go through the regular Ethernet receive path.
Suggested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/dsa/dsa.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c index 0f41f71efac1..d9e0172116b6 100644 --- a/net/dsa/dsa.c +++ b/net/dsa/dsa.c @@ -985,6 +985,14 @@ static int dsa_suspend(struct device *d) struct dsa_switch_tree *dst = platform_get_drvdata(pdev); int i, ret = 0; + dst->master_netdev->dsa_ptr = NULL; + + /* If we used a tagging format that doesn't have an ethertype + * field, make sure that all packets from this point get sent + * without the tag and go through the regular receive path. + */ + wmb(); + for (i = 0; i < dst->pd->nr_chips; i++) { struct dsa_switch *ds = dst->ds[i]; |