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NFS: NFSoRDMA bugfix 

Fixes a use-after-free bug.
 
 Signed-off-by: Anna Schumaker <Anna.Schumaker@netapp.com>
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Merge tag 'nfs-rdma-for-4.3-2' of git://git.linux-nfs.org/projects/anna/nfs-rdma

NFS: NFSoRDMA bugfix

Fixes a use-after-free bug.

Signed-off-by: Anna Schumaker <Anna.Schumaker@netapp.com>
This commit is contained in:
Trond Myklebust 2015-10-02 15:49:33 -04:00
parent 5e99b532bb 72c0217382
commit 8dbb09570d
2 changed files with 7 additions and 4 deletions
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2
net/sunrpc/xprtrdma/transport.c
View File

@ -270,8 +270,8 @@ xprt_rdma_destroy(struct rpc_xprt *xprt)
xprt_clear_connected(xprt);
rpcrdma_buffer_destroy(&r_xprt->rx_buf);
rpcrdma_ep_destroy(&r_xprt->rx_ep, &r_xprt->rx_ia);
rpcrdma_buffer_destroy(&r_xprt->rx_buf);
rpcrdma_ia_close(&r_xprt->rx_ia);
xprt_rdma_free_addresses(xprt);

9
net/sunrpc/xprtrdma/verbs.c
View File

@ -755,19 +755,22 @@ rpcrdma_ep_destroy(struct rpcrdma_ep *ep, struct rpcrdma_ia *ia)
cancel_delayed_work_sync(&ep->rep_connect_worker);
if (ia->ri_id->qp) {
if (ia->ri_id->qp)
rpcrdma_ep_disconnect(ep, ia);
rpcrdma_clean_cq(ep->rep_attr.recv_cq);
rpcrdma_clean_cq(ep->rep_attr.send_cq);
if (ia->ri_id->qp) {
rdma_destroy_qp(ia->ri_id);
ia->ri_id->qp = NULL;
}
rpcrdma_clean_cq(ep->rep_attr.recv_cq);
rc = ib_destroy_cq(ep->rep_attr.recv_cq);
if (rc)
dprintk("RPC: %s: ib_destroy_cq returned %i\n",
__func__, rc);
rpcrdma_clean_cq(ep->rep_attr.send_cq);
rc = ib_destroy_cq(ep->rep_attr.send_cq);
if (rc)
dprintk("RPC: %s: ib_destroy_cq returned %i\n",