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-rw-r--r--net/core/skbuff.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 40717501cbdd..97e604d55d55 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -1124,9 +1124,13 @@ int skb_zerocopy_iter_stream(struct sock *sk, struct sk_buff *skb,
1124 1124
1125 err = __zerocopy_sg_from_iter(sk, skb, &msg->msg_iter, len); 1125 err = __zerocopy_sg_from_iter(sk, skb, &msg->msg_iter, len);
1126 if (err == -EFAULT || (err == -EMSGSIZE && skb->len == orig_len)) { 1126 if (err == -EFAULT || (err == -EMSGSIZE && skb->len == orig_len)) {
1127 struct sock *save_sk = skb->sk;
1128
1127 /* Streams do not free skb on error. Reset to prev state. */ 1129 /* Streams do not free skb on error. Reset to prev state. */
1128 msg->msg_iter = orig_iter; 1130 msg->msg_iter = orig_iter;
1131 skb->sk = sk;
1129 ___pskb_trim(skb, orig_len); 1132 ___pskb_trim(skb, orig_len);
1133 skb->sk = save_sk;
1130 return err; 1134 return err;
1131 } 1135 }
1132 1136
@@ -1895,7 +1899,7 @@ void *__pskb_pull_tail(struct sk_buff *skb, int delta)
1895 } 1899 }
1896 1900
1897 /* If we need update frag list, we are in troubles. 1901 /* If we need update frag list, we are in troubles.
1898 * Certainly, it possible to add an offset to skb data, 1902 * Certainly, it is possible to add an offset to skb data,
1899 * but taking into account that pulling is expected to 1903 * but taking into account that pulling is expected to
1900 * be very rare operation, it is worth to fight against 1904 * be very rare operation, it is worth to fight against
1901 * further bloating skb head and crucify ourselves here instead. 1905 * further bloating skb head and crucify ourselves here instead.