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authorJohannes Berg <johannes.berg@intel.com>2017-06-08 14:14:40 +0200
committerJohannes Berg <johannes.berg@intel.com>2017-06-08 14:14:45 +0200
commita43e61842ec55baa486d60eed2a19af67ba78b9f (patch)
tree6c3c93f19e3933273b73b9edd16edc146ab18527 /net/dsa/tag_brcm.c
parent5d473fedd17ae3a9f92fb35551e307d01459ea6a (diff)
parent50dffe7fad6c156c2928e45c19ff7b86eb951f4c (diff)
downloadlinux-a43e61842ec55baa486d60eed2a19af67ba78b9f.tar.bz2
Merge remote-tracking branch 'net-next/master' into mac80211-next
This brings in commit 7a7c0a6438b8 ("mac80211: fix TX aggregation start/stop callback race") to allow the follow-up cleanup. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/dsa/tag_brcm.c')
-rw-r--r--net/dsa/tag_brcm.c21
1 files changed, 7 insertions, 14 deletions
diff --git a/net/dsa/tag_brcm.c b/net/dsa/tag_brcm.c
index 2a9b52c5af86..c03860907f28 100644
--- a/net/dsa/tag_brcm.c
+++ b/net/dsa/tag_brcm.c
@@ -12,7 +12,7 @@
#include <linux/etherdevice.h>
#include <linux/list.h>
#include <linux/slab.h>
-#include <net/dsa.h>
+
#include "dsa_priv.h"
/* This tag length is 4 bytes, older ones were 6 bytes, we do not
@@ -65,7 +65,7 @@ static struct sk_buff *brcm_tag_xmit(struct sk_buff *skb, struct net_device *dev
u8 *brcm_tag;
if (skb_cow_head(skb, BRCM_TAG_LEN) < 0)
- goto out_free;
+ return NULL;
skb_push(skb, BRCM_TAG_LEN);
@@ -86,10 +86,6 @@ static struct sk_buff *brcm_tag_xmit(struct sk_buff *skb, struct net_device *dev
brcm_tag[3] = (1 << p->dp->index) & BRCM_IG_DSTMAP1_MASK;
return skb;
-
-out_free:
- kfree_skb(skb);
- return NULL;
}
static struct sk_buff *brcm_tag_rcv(struct sk_buff *skb, struct net_device *dev,
@@ -101,30 +97,30 @@ static struct sk_buff *brcm_tag_rcv(struct sk_buff *skb, struct net_device *dev,
int source_port;
u8 *brcm_tag;
- ds = dst->cpu_switch;
+ ds = dst->cpu_dp->ds;
if (unlikely(!pskb_may_pull(skb, BRCM_TAG_LEN)))
- goto out_drop;
+ return NULL;
/* skb->data points to the EtherType, the tag is right before it */
brcm_tag = skb->data - 2;
/* The opcode should never be different than 0b000 */
if (unlikely((brcm_tag[0] >> BRCM_OPCODE_SHIFT) & BRCM_OPCODE_MASK))
- goto out_drop;
+ return NULL;
/* We should never see a reserved reason code without knowing how to
* handle it
*/
if (unlikely(brcm_tag[2] & BRCM_EG_RC_RSVD))
- goto out_drop;
+ return NULL;
/* Locate which port this is coming from */
source_port = brcm_tag[3] & BRCM_EG_PID_MASK;
/* Validate port against switch setup, either the port is totally */
if (source_port >= ds->num_ports || !ds->ports[source_port].netdev)
- goto out_drop;
+ return NULL;
/* Remove Broadcom tag and update checksum */
skb_pull_rcsum(skb, BRCM_TAG_LEN);
@@ -137,9 +133,6 @@ static struct sk_buff *brcm_tag_rcv(struct sk_buff *skb, struct net_device *dev,
skb->dev = ds->ports[source_port].netdev;
return skb;
-
-out_drop:
- return NULL;
}
const struct dsa_device_ops brcm_netdev_ops = {