Revert "scsi: target: iscsi: cxgbit: fix csk leak"

This reverts commit c9cef2c7.

A wrong commit message was used for the stable commit because of a human
error (and duplicate commit subject lines).

This patch reverts this error, and the following patches add the two
upstream commits.
Signed-off-by: NSasha Levin <sashal@kernel.org>

drivers/target/iscsi/cxgbit/cxgbit_cm.c

@@ -631,11 +631,8 @@ static void cxgbit_send_halfclose(struct cxgbit_sock *csk)
 
 static void cxgbit_arp_failure_discard(void *handle, struct sk_buff *skb)
 {
-	struct cxgbit_sock *csk = handle;
-
 	pr_debug("%s cxgbit_device %p\n", __func__, handle);
 	kfree_skb(skb);
-	cxgbit_put_csk(csk);
 }
 
 static void cxgbit_abort_arp_failure(void *handle, struct sk_buff *skb)
@@ -1193,7 +1190,7 @@ cxgbit_pass_accept_rpl(struct cxgbit_sock *csk, struct cpl_pass_accept_req *req)
 	rpl5->opt0 = cpu_to_be64(opt0);
 	rpl5->opt2 = cpu_to_be32(opt2);
 	set_wr_txq(skb, CPL_PRIORITY_SETUP, csk->ctrlq_idx);
-	t4_set_arp_err_handler(skb, csk, cxgbit_arp_failure_discard);
+	t4_set_arp_err_handler(skb, NULL, cxgbit_arp_failure_discard);
 	cxgbit_l2t_send(csk->com.cdev, skb, csk->l2t);
 }