We call chtls_free_skb() but then we dereference it on the next lines.
Also "skb" can't be NULL, we just dereferenced it on the line before.
I have moved the free down a couple lines to fix this issue.
Fixes: 17a7d24aa89d ("crypto: chtls - generic handling of data and hdr")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
diff --git a/drivers/crypto/chelsio/chtls/chtls_io.c b/drivers/crypto/chelsio/chtls/chtls_io.c
index 51fc6821cbbf..708e232e3cdf 100644
--- a/drivers/crypto/chelsio/chtls/chtls_io.c
+++ b/drivers/crypto/chelsio/chtls/chtls_io.c
@@ -1548,15 +1548,14 @@ static int chtls_pt_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
tp->urg_data = 0;
if ((avail + offset) >= skb->len) {
- if (likely(skb))
- chtls_free_skb(sk, skb);
- buffers_freed++;
if (ULP_SKB_CB(skb)->flags & ULPCB_FLAG_TLS_HDR) {
tp->copied_seq += skb->len;
hws->rcvpld = skb->hdr_len;
} else {
tp->copied_seq += hws->rcvpld;
}
+ chtls_free_skb(sk, skb);
+ buffers_freed++;
hws->copied_seq = 0;
if (copied >= target &&
!skb_peek(&sk->sk_receive_queue))
