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authorSabrina Dubroca <sd@queasysnail.net>2022-11-02 22:33:13 +0100
committerDavid S. Miller <davem@davemloft.net>2022-11-04 10:43:56 +0000
commit93a30947821c203d08865c4e17ea181c9668ce52 (patch)
treec95c91ced5ded27d235d31012216389b5c3b5962 /drivers/net/macsec.c
parentRevert "net: macsec: report real_dev features when HW offloading is enabled" (diff)
downloadlinux-dev-93a30947821c203d08865c4e17ea181c9668ce52.tar.xz
linux-dev-93a30947821c203d08865c4e17ea181c9668ce52.zip
macsec: delete new rxsc when offload fails
Currently we get an inconsistent state: - netlink returns the error to userspace - the RXSC is installed but not offloaded Then the device could get confused when we try to add an RXSA, because the RXSC isn't supposed to exist. Fixes: 3cf3227a21d1 ("net: macsec: hardware offloading infrastructure") Signed-off-by: Sabrina Dubroca <sd@queasysnail.net> Reviewed-by: Antoine Tenart <atenart@kernel.org> Reviewed-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/macsec.c')
-rw-r--r--drivers/net/macsec.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
index b3f76e8071f2..0d6fe34b91ae 100644
--- a/drivers/net/macsec.c
+++ b/drivers/net/macsec.c
@@ -1876,7 +1876,6 @@ static int macsec_add_rxsc(struct sk_buff *skb, struct genl_info *info)
struct macsec_rx_sc *rx_sc;
struct nlattr *tb_rxsc[MACSEC_RXSC_ATTR_MAX + 1];
struct macsec_secy *secy;
- bool was_active;
int ret;
if (!attrs[MACSEC_ATTR_IFINDEX])
@@ -1904,7 +1903,6 @@ static int macsec_add_rxsc(struct sk_buff *skb, struct genl_info *info)
return PTR_ERR(rx_sc);
}
- was_active = rx_sc->active;
if (tb_rxsc[MACSEC_RXSC_ATTR_ACTIVE])
rx_sc->active = !!nla_get_u8(tb_rxsc[MACSEC_RXSC_ATTR_ACTIVE]);
@@ -1931,7 +1929,8 @@ static int macsec_add_rxsc(struct sk_buff *skb, struct genl_info *info)
return 0;
cleanup:
- rx_sc->active = was_active;
+ del_rx_sc(secy, sci);
+ free_rx_sc(rx_sc);
rtnl_unlock();
return ret;
}