[PATCH 4.14 10/59] scsi: target: iscsi: cxgbit: fix csk leak

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4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

[ Upstream commit ed076c55b359cc9982ca8b065bcc01675f7365f6 ]

In case of arp failure call cxgbit_put_csk() to free csk.

Signed-off-by: Varun Prakash <varun@xxxxxxxxxxx>
Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/target/iscsi/cxgbit/cxgbit_cm.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/target/iscsi/cxgbit/cxgbit_cm.c b/drivers/target/iscsi/cxgbit/cxgbit_cm.c
index d4fa41be80f9..0c00bb27c9c5 100644
--- a/drivers/target/iscsi/cxgbit/cxgbit_cm.c
+++ b/drivers/target/iscsi/cxgbit/cxgbit_cm.c
@@ -631,8 +631,11 @@ 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)
@@ -1147,7 +1150,7 @@ 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, NULL, cxgbit_arp_failure_discard);
+	t4_set_arp_err_handler(skb, csk, cxgbit_arp_failure_discard);
 	cxgbit_l2t_send(csk->com.cdev, skb, csk->l2t);
 }
 
-- 
2.19.1






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