diff options
| author | Hariprasad S <hariprasad@chelsio.com> | 2016-05-04 22:57:33 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-05-05 23:11:14 +0300 |
| commit | fef4422d00c135da4300d7d58e62cd0afe2af730 (patch) | |
| tree | 7554f44850b7d69a5d2da8d482496f7768c711ed /drivers/infiniband/hw/cxgb4 | |
| parent | f8e1e1d13773e1bcad127cbb5be964d00ee1f682 (diff) | |
| download | linux-fef4422d00c135da4300d7d58e62cd0afe2af730.tar.xz | |
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>
Diffstat (limited to 'drivers/infiniband/hw/cxgb4')
| -rw-r--r-- | drivers/infiniband/hw/cxgb4/cm.c | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c index c4ce707d210b..864da9dec9f6 100644 --- a/drivers/infiniband/hw/cxgb4/cm.c +++ b/drivers/infiniband/hw/cxgb4/cm.c @@ -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; } |