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dpaa2-switch: fix VLAN upper check not rejecting bridge join

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The blamed commit refactored the prechangeupper event handling but
failed to actually return an error in case
dpaa2_switch_prevent_bridging_with_8021q_upper() detected a 802.1q upper
on a port which tries to join a bridge. Fix this by returning err
instead of 0.

Fixes: 45035febc4 ("net: dpaa2-switch: refactor prechangeupper sanity checks")
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Link: https://patch.msgid.link/20260616105430.3725910-1-ioana.ciornei@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Ioana Ciornei 2026-06-16 13:54:30 +03:00 committed by Jakub Kicinski
parent 9e5ad06ea8
commit ed2294f94e
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c
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@ -2212,7 +2212,7 @@ dpaa2_switch_prechangeupper_sanity_checks(struct net_device *netdev,
if (err) {
NL_SET_ERR_MSG_MOD(extack,
"Cannot join a bridge while VLAN uppers are present");
return 0;
return err;
}
netdev_for_each_lower_dev(upper_dev, other_dev, iter) {