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RDMA/iw_cxgb4: free resources when send_flowc() fails 

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Hariprasad S 2016-05-05 01:27:33 +05:30 committed by Doug Ledford
parent f8e1e1d137
commit fef4422d00
1 changed files with 18 additions and 5 deletions
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23
drivers/infiniband/hw/cxgb4/cm.c
View File

@ -519,7 +519,7 @@ static void abort_arp_failure(void *handle, struct sk_buff *skb)
c4iw_ofld_send(rdev, skb);
}
static void send_flowc(struct c4iw_ep *ep, struct sk_buff *skb)
static int send_flowc(struct c4iw_ep *ep, struct sk_buff *skb)
{
unsigned int flowclen = 80;
struct fw_flowc_wr *flowc;
@ -575,7 +575,7 @@ static void send_flowc(struct c4iw_ep *ep, struct sk_buff *skb)
}
set_wr_txq(skb, CPL_PRIORITY_DATA, ep->txq_idx);
c4iw_ofld_send(&ep->com.dev->rdev, skb);
return c4iw_ofld_send(&ep->com.dev->rdev, skb);
}
static int send_halfclose(struct c4iw_ep *ep, gfp_t gfp)
@ -1119,6 +1119,7 @@ static int act_establish(struct c4iw_dev *dev, struct sk_buff *skb)
unsigned int tid = GET_TID(req);
unsigned int atid = TID_TID_G(ntohl(req->tos_atid));
struct tid_info *t = dev->rdev.lldi.tids;
int ret;
ep = lookup_atid(t, atid);
@ -1144,13 +1145,20 @@ static int act_establish(struct c4iw_dev *dev, struct sk_buff *skb)
set_bit(ACT_ESTAB, &ep->com.history);
/* start MPA negotiation */
send_flowc(ep, NULL);
ret = send_flowc(ep, NULL);
if (ret)
goto err;
if (ep->retry_with_mpa_v1)
send_mpa_req(ep, skb, 1);
else
send_mpa_req(ep, skb, mpa_rev);
mutex_unlock(&ep->com.mutex);
return 0;
err:
mutex_unlock(&ep->com.mutex);
connect_reply_upcall(ep, -ENOMEM);
c4iw_ep_disconnect(ep, 0, GFP_KERNEL);
return 0;
}
static void close_complete_upcall(struct c4iw_ep *ep, int status)
@ -2548,6 +2556,7 @@ static int pass_establish(struct c4iw_dev *dev, struct sk_buff *skb)
struct cpl_pass_establish *req = cplhdr(skb);
struct tid_info *t = dev->rdev.lldi.tids;
unsigned int tid = GET_TID(req);
int ret;
ep = lookup_tid(t, tid);
PDBG("%s ep %p tid %u\n", __func__, ep, ep->hwtid);
@ -2560,10 +2569,14 @@ static int pass_establish(struct c4iw_dev *dev, struct sk_buff *skb)
set_emss(ep, ntohs(req->tcp_opt));
dst_confirm(ep->dst);
state_set(&ep->com, MPA_REQ_WAIT);
mutex_lock(&ep->com.mutex);
ep->com.state = MPA_REQ_WAIT;
start_ep_timer(ep);
send_flowc(ep, skb);
set_bit(PASS_ESTAB, &ep->com.history);
ret = send_flowc(ep, skb);
mutex_unlock(&ep->com.mutex);
if (ret)
c4iw_ep_disconnect(ep, 1, GFP_KERNEL);
return 0;
}