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authorRichard Gobert <richardbgobert@gmail.com>2022-09-28 14:55:31 +0200
committerDavid S. Miller <davem@davemloft.net>2022-09-30 12:31:46 +0100
commitd427c8999b071af2003203b42a007c4a80156c18 (patch)
tree60f7796211722aabd9ef73237e93d29c0177dcdb /net
parent96e0718165a0d36ed4cba365c542818f20bf7640 (diff)
downloadlinux-d427c8999b071af2003203b42a007c4a80156c18.tar.gz
net-next: skbuff: refactor pskb_pull
pskb_may_pull already contains all of the checks performed by
pskb_pull.
Use pskb_may_pull for validation in pskb_pull, eliminating the
duplication and making __pskb_pull obsolete.
Replace __pskb_pull with pskb_pull where applicable.

Signed-off-by: Richard Gobert <richardbgobert@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/ipv6/ip6_offload.c2
-rw-r--r--net/mac80211/rx.c4
-rw-r--r--net/xfrm/espintcp.c2
3 files changed, 4 insertions, 4 deletions
diff --git a/net/ipv6/ip6_offload.c b/net/ipv6/ip6_offload.c
index f00fd67fd0c4..3ee345672849 100644
--- a/net/ipv6/ip6_offload.c
+++ b/net/ipv6/ip6_offload.c
@@ -232,7 +232,7 @@ INDIRECT_CALLABLE_SCOPE struct sk_buff *ipv6_gro_receive(struct list_head *head,
 	proto = iph->nexthdr;
 	ops = rcu_dereference(inet6_offloads[proto]);
 	if (!ops || !ops->callbacks.gro_receive) {
-		__pskb_pull(skb, skb_gro_offset(skb));
+		pskb_pull(skb, skb_gro_offset(skb));
 		skb_gro_frag0_invalidate(skb);
 		proto = ipv6_gso_pull_exthdrs(skb, proto);
 		skb_gro_pull(skb, -skb_transport_offset(skb));
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 511c809e2c6b..44474889e8e4 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -49,7 +49,7 @@ static struct sk_buff *ieee80211_clean_skb(struct sk_buff *skb,
 
 	if (present_fcs_len)
 		__pskb_trim(skb, skb->len - present_fcs_len);
-	__pskb_pull(skb, rtap_space);
+	pskb_pull(skb, rtap_space);
 
 	hdr = (void *)skb->data;
 	fc = hdr->frame_control;
@@ -74,7 +74,7 @@ static struct sk_buff *ieee80211_clean_skb(struct sk_buff *skb,
 
 	memmove(skb->data + IEEE80211_HT_CTL_LEN, skb->data,
 		hdrlen - IEEE80211_HT_CTL_LEN);
-	__pskb_pull(skb, IEEE80211_HT_CTL_LEN);
+	pskb_pull(skb, IEEE80211_HT_CTL_LEN);
 
 	return skb;
 }
diff --git a/net/xfrm/espintcp.c b/net/xfrm/espintcp.c
index 974eb97b77d2..29a540dcb5a7 100644
--- a/net/xfrm/espintcp.c
+++ b/net/xfrm/espintcp.c
@@ -91,7 +91,7 @@ static void espintcp_rcv(struct strparser *strp, struct sk_buff *skb)
 	}
 
 	/* remove header, leave non-ESP marker/SPI */
-	if (!__pskb_pull(skb, rxm->offset + 2)) {
+	if (!pskb_pull(skb, rxm->offset + 2)) {
 		XFRM_INC_STATS(sock_net(strp->sk), LINUX_MIB_XFRMINERROR);
 		kfree_skb(skb);
 		return;