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authorFlorian Fainelli <f.fainelli@gmail.com>2017-04-08 18:55:21 +0300
committerDavid S. Miller <davem@davemloft.net>2017-04-08 23:49:36 +0300
commit9d7f9c4f78e95dd9d17199a53d903262530be62e (patch)
tree261343d60e5e96e2b671c4fbb26524fbeca73829 /net
parent7f564528a480084e2318cd48caba7aef4a54a77f (diff)
downloadlinux-9d7f9c4f78e95dd9d17199a53d903262530be62e.tar.xz
net: dsa: Do not check for NULL dst in tag parsers
dsa_switch_rcv() already tests for dst == NULL, so there is no need to duplicate the same check within the tag receive functions. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/dsa/tag_brcm.c3
-rw-r--r--net/dsa/tag_dsa.c3
-rw-r--r--net/dsa/tag_edsa.c3
-rw-r--r--net/dsa/tag_mtk.c3
-rw-r--r--net/dsa/tag_qca.c3
-rw-r--r--net/dsa/tag_trailer.c2
6 files changed, 0 insertions, 17 deletions
diff --git a/net/dsa/tag_brcm.c b/net/dsa/tag_brcm.c
index e2ed6cf68261..68d4feef96d4 100644
--- a/net/dsa/tag_brcm.c
+++ b/net/dsa/tag_brcm.c
@@ -100,9 +100,6 @@ static int brcm_tag_rcv(struct sk_buff *skb, struct net_device *dev,
int source_port;
u8 *brcm_tag;
- if (unlikely(dst == NULL))
- goto out_drop;
-
ds = dst->cpu_switch;
skb = skb_unshare(skb, GFP_ATOMIC);
diff --git a/net/dsa/tag_dsa.c b/net/dsa/tag_dsa.c
index e42ba906100c..377569c0e4f7 100644
--- a/net/dsa/tag_dsa.c
+++ b/net/dsa/tag_dsa.c
@@ -77,9 +77,6 @@ static int dsa_rcv(struct sk_buff *skb, struct net_device *dev,
int source_device;
int source_port;
- if (unlikely(dst == NULL))
- goto out_drop;
-
skb = skb_unshare(skb, GFP_ATOMIC);
if (skb == NULL)
goto out;
diff --git a/net/dsa/tag_edsa.c b/net/dsa/tag_edsa.c
index 6a9b7a9e4e15..30520ff9c9a2 100644
--- a/net/dsa/tag_edsa.c
+++ b/net/dsa/tag_edsa.c
@@ -90,9 +90,6 @@ static int edsa_rcv(struct sk_buff *skb, struct net_device *dev,
int source_device;
int source_port;
- if (unlikely(dst == NULL))
- goto out_drop;
-
skb = skb_unshare(skb, GFP_ATOMIC);
if (skb == NULL)
goto out;
diff --git a/net/dsa/tag_mtk.c b/net/dsa/tag_mtk.c
index 44ae6353a521..836c311a3c38 100644
--- a/net/dsa/tag_mtk.c
+++ b/net/dsa/tag_mtk.c
@@ -55,9 +55,6 @@ static int mtk_tag_rcv(struct sk_buff *skb, struct net_device *dev,
int port;
__be16 *phdr, hdr;
- if (unlikely(!dst))
- goto out_drop;
-
skb = skb_unshare(skb, GFP_ATOMIC);
if (!skb)
goto out;
diff --git a/net/dsa/tag_qca.c b/net/dsa/tag_qca.c
index 4e0dad759d04..6579d6db1bc6 100644
--- a/net/dsa/tag_qca.c
+++ b/net/dsa/tag_qca.c
@@ -75,9 +75,6 @@ static int qca_tag_rcv(struct sk_buff *skb, struct net_device *dev,
int port;
__be16 *phdr, hdr;
- if (unlikely(!dst))
- goto out_drop;
-
skb = skb_unshare(skb, GFP_ATOMIC);
if (!skb)
goto out;
diff --git a/net/dsa/tag_trailer.c b/net/dsa/tag_trailer.c
index 74c948512550..f5c764ee2968 100644
--- a/net/dsa/tag_trailer.c
+++ b/net/dsa/tag_trailer.c
@@ -66,8 +66,6 @@ static int trailer_rcv(struct sk_buff *skb, struct net_device *dev,
u8 *trailer;
int source_port;
- if (unlikely(dst == NULL))
- goto out_drop;
ds = dst->cpu_switch;
skb = skb_unshare(skb, GFP_ATOMIC);