net: dsa: bcm_sf2: Fix IPv6 rule half deletion
It was possible to delete only one half of an IPv6, which would leave the second half still programmed and possibly in use. Instead of checking for the unused bitmap, we need to check the unique bitmap, and refuse any deletion that does not match that criteria. We also need to move that check from bcm_sf2_cfp_rule_del_one() into its caller: bcm_sf2_cfp_rule_del() otherwise we would not be able to delete second halves anymore that would not pass the first test. Fixes: ba0696c2 ("net: dsa: bcm_sf2: Add support for IPv6 CFP rules") Signed-off-by: NFlorian Fainelli <f.fainelli@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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