4.19-stable review patch. If anyone has any objections, please let me know.
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[ Upstream commit 801df68d617e3cb831f531c99fa6003620e6b343 ]
csk leak can happen if a new TCP connection gets established after cxgbit_accept_np() returns, to fix this leak free remaining csk in cxgbit_free_np().
Signed-off-by: Varun Prakash varun@chelsio.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- 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 8de16016b6de..b289b90ae6dc 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) @@ -1190,7 +1193,7 @@ 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); }