SUNRPC: Fix a memory leak in the backchannel code
req->rq_private_buf isn't initialised when xprt_setup_backchannel calls
xprt_free_allocation.
Fixes: fb7a0b9add
("nfs41: New backchannel helper routines")
Cc: stable@vger.kernel.org
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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@ -60,7 +60,7 @@ static void xprt_free_allocation(struct rpc_rqst *req)
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dprintk("RPC: free allocations for req= %p\n", req);
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WARN_ON_ONCE(test_bit(RPC_BC_PA_IN_USE, &req->rq_bc_pa_state));
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xbufp = &req->rq_private_buf;
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xbufp = &req->rq_rcv_buf;
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free_page((unsigned long)xbufp->head[0].iov_base);
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xbufp = &req->rq_snd_buf;
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free_page((unsigned long)xbufp->head[0].iov_base);
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