SUNRPC: Fix a nfs4 over rdma transport oops
Prevent an RPC oops when freeing a dynamically allocated RDMA buffer, used in certain special-case large metadata operations. Signed-off-by: Tom Talpey <tmt@netapp.com> Signed-off-by: James Lentini <jlentini@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
parent
af1b8c2ff7
commit
ee1a2c564f
|
@ -614,7 +614,11 @@ xprt_rdma_free(void *buffer)
|
|||
return;
|
||||
|
||||
req = container_of(buffer, struct rpcrdma_req, rl_xdr_buf[0]);
|
||||
r_xprt = container_of(req->rl_buffer, struct rpcrdma_xprt, rx_buf);
|
||||
if (req->rl_iov.length == 0) { /* see allocate above */
|
||||
r_xprt = container_of(((struct rpcrdma_req *) req->rl_buffer)->rl_buffer,
|
||||
struct rpcrdma_xprt, rx_buf);
|
||||
} else
|
||||
r_xprt = container_of(req->rl_buffer, struct rpcrdma_xprt, rx_buf);
|
||||
rep = req->rl_reply;
|
||||
|
||||
dprintk("RPC: %s: called on 0x%p%s\n",
|
||||
|
|
Loading…
Reference in New Issue