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authorLinus Torvalds <torvalds@linux-foundation.org>2016-08-03 07:26:11 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2016-08-03 07:26:11 -0400
commitf0936155f2204720655aefbc2f17c25a2c80a59e (patch)
tree89ef908bbe7205b8725e5b331fcd3c53a5c85c13 /drivers/net/macsec.c
parentd52bd54db8be8999df6df5a776f38c4f8b5e9cea (diff)
parent1d2c2024dcb7aeb2555db4bfd7f991d247ba0508 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller: 1) Fix several cases of missing of_node_put() calls in various networking drivers. From Peter Chen. 2) Don't try to remove unconfigured VLANs in qed driver, from Yuval Mintz. 3) Unbalanced locking in TIPC error handling, from Wei Yongjun. 4) Fix lockups in CPDMA driver, from Grygorii Strashko. 5) More MACSEC refcount et al fixes, from Sabrina Dubroca. 6) Fix MAC address setting in r8169 during runtime suspend, from Chun-Hao Lin. 7) Various printf format specifier fixes, from Heinrich Schuchardt. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (59 commits) qed: Fail driver load in 100g MSI mode. ethernet: ti: davinci_emac: add missing of_node_put after calling of_parse_phandle ethernet: stmicro: stmmac: add missing of_node_put after calling of_parse_phandle ethernet: stmicro: stmmac: dwmac-socfpga: add missing of_node_put after calling of_parse_phandle ethernet: renesas: sh_eth: add missing of_node_put after calling of_parse_phandle ethernet: renesas: ravb_main: add missing of_node_put after calling of_parse_phandle ethernet: marvell: pxa168_eth: add missing of_node_put after calling of_parse_phandle ethernet: marvell: mvpp2: add missing of_node_put after calling of_parse_phandle ethernet: marvell: mvneta: add missing of_node_put after calling of_parse_phandle ethernet: hisilicon: hns: hns_dsaf_main: add missing of_node_put after calling of_parse_phandle ethernet: hisilicon: hns: hns_dsaf_mac: add missing of_node_put after calling of_parse_phandle ethernet: cavium: octeon: add missing of_node_put after calling of_parse_phandle ethernet: aurora: nb8800: add missing of_node_put after calling of_parse_phandle ethernet: arc: emac_main: add missing of_node_put after calling of_parse_phandle ethernet: apm: xgene: add missing of_node_put after calling of_parse_phandle ethernet: altera: add missing of_node_put 8139too: fix system hang when there is a tx timeout event. qed: Fix error return code in qed_resc_alloc() net: qlcnic: avoid superfluous assignement dsa: b53: remove redundant if ...
Diffstat (limited to 'drivers/net/macsec.c')
-rw-r--r--drivers/net/macsec.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
index 2d0beb1b801c..d13e6e15d7b5 100644
--- a/drivers/net/macsec.c
+++ b/drivers/net/macsec.c
@@ -344,7 +344,6 @@ static void free_rxsa(struct rcu_head *head)
crypto_free_aead(sa->key.tfm);
free_percpu(sa->stats);
- macsec_rxsc_put(sa->sc);
kfree(sa);
}
@@ -863,6 +862,7 @@ static void macsec_decrypt_done(struct crypto_async_request *base, int err)
struct net_device *dev = skb->dev;
struct macsec_dev *macsec = macsec_priv(dev);
struct macsec_rx_sa *rx_sa = macsec_skb_cb(skb)->rx_sa;
+ struct macsec_rx_sc *rx_sc = rx_sa->sc;
int len, ret;
u32 pn;
@@ -891,6 +891,7 @@ static void macsec_decrypt_done(struct crypto_async_request *base, int err)
out:
macsec_rxsa_put(rx_sa);
+ macsec_rxsc_put(rx_sc);
dev_put(dev);
}
@@ -1106,6 +1107,7 @@ static rx_handler_result_t macsec_handle_frame(struct sk_buff **pskb)
list_for_each_entry_rcu(macsec, &rxd->secys, secys) {
struct macsec_rx_sc *sc = find_rx_sc(&macsec->secy, sci);
+ sc = sc ? macsec_rxsc_get(sc) : NULL;
if (sc) {
secy = &macsec->secy;
@@ -1180,8 +1182,10 @@ static rx_handler_result_t macsec_handle_frame(struct sk_buff **pskb)
if (IS_ERR(skb)) {
/* the decrypt callback needs the reference */
- if (PTR_ERR(skb) != -EINPROGRESS)
+ if (PTR_ERR(skb) != -EINPROGRESS) {
macsec_rxsa_put(rx_sa);
+ macsec_rxsc_put(rx_sc);
+ }
rcu_read_unlock();
*pskb = NULL;
return RX_HANDLER_CONSUMED;
@@ -1197,6 +1201,7 @@ deliver:
if (rx_sa)
macsec_rxsa_put(rx_sa);
+ macsec_rxsc_put(rx_sc);
ret = gro_cells_receive(&macsec->gro_cells, skb);
if (ret == NET_RX_SUCCESS)
@@ -1212,6 +1217,7 @@ deliver:
drop:
macsec_rxsa_put(rx_sa);
drop_nosa:
+ macsec_rxsc_put(rx_sc);
rcu_read_unlock();
drop_direct:
kfree_skb(skb);
@@ -1646,7 +1652,7 @@ static int macsec_add_rxsa(struct sk_buff *skb, struct genl_info *info)
rtnl_lock();
rx_sc = get_rxsc_from_nl(genl_info_net(info), attrs, tb_rxsc, &dev, &secy);
- if (IS_ERR(rx_sc) || !macsec_rxsc_get(rx_sc)) {
+ if (IS_ERR(rx_sc)) {
rtnl_unlock();
return PTR_ERR(rx_sc);
}
@@ -3173,6 +3179,8 @@ static int macsec_newlink(struct net *net, struct net_device *dev,
if (err < 0)
return err;
+ dev_hold(real_dev);
+
/* need to be already registered so that ->init has run and
* the MAC addr is set
*/
@@ -3201,8 +3209,6 @@ static int macsec_newlink(struct net *net, struct net_device *dev,
macsec_generation++;
- dev_hold(real_dev);
-
return 0;
del_dev: