[PATCH 09/10] Revert "esp: do not unref managed frag pages in esp_ssg_unref()"

[Steffen Klassert <steffen.klassert@secunet.com>]

This reverts commit 21697720ff43b8dfa25b8e8d9ca7f56f4597fc80.

The patch does not fix the issue completely, so revert for
now and wait for an updated version.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
---
 net/ipv4/esp4.c | 7 -------
 net/ipv6/esp6.c | 7 -------
 2 files changed, 14 deletions(-)

diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index fa1710e27e50..dfc81ee969ae 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -104,13 +104,6 @@ static void esp_ssg_unref(struct xfrm_state *x, void *tmp, struct sk_buff *skb,
 	struct aead_request *req;
 	struct scatterlist *sg;
 
-	/* Managed frags are owned by the zerocopy ubuf; the skb holds no
-	 * per-frag page reference, so we must not drop one here.  Mirrors
-	 * the SKBFL_MANAGED_FRAG_REFS handling in skb_release_data().
-	 */
-	if (skb_zcopy_managed(skb))
-		return;
-
 	if (x->props.flags & XFRM_STATE_ESN)
 		extralen += sizeof(struct esp_output_extra);
 
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index 7d216b9c59f0..296b57926abb 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -121,13 +121,6 @@ static void esp_ssg_unref(struct xfrm_state *x, void *tmp, struct sk_buff *skb,
 	struct aead_request *req;
 	struct scatterlist *sg;
 
-	/* Managed frags are owned by the zerocopy ubuf; the skb holds no
-	 * per-frag page reference, so we must not drop one here.  Mirrors
-	 * the SKBFL_MANAGED_FRAG_REFS handling in skb_release_data().
-	 */
-	if (skb_zcopy_managed(skb))
-		return;
-
 	if (x->props.flags & XFRM_STATE_ESN)
 		extralen += sizeof(struct esp_output_extra);
 
-- 
2.43.0