From bd031759bcc0865938ecc52846a3f22f2a26ad8e Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Mon, 1 Jun 2015 15:10:25 -0400 Subject: [PATCH] SUNRPC: Fix a memory leak in the backchannel code commit 88de6af24f2b48b06c514d3c3d0a8f22fafe30bd upstream. req->rq_private_buf isn't initialised when xprt_setup_backchannel calls xprt_free_allocation. Fixes: fb7a0b9addbdb ("nfs41: New backchannel helper routines") Signed-off-by: Trond Myklebust [bwh: Backported to 3.2: adjust context] Signed-off-by: Ben Hutchings --- net/sunrpc/backchannel_rqst.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/sunrpc/backchannel_rqst.c b/net/sunrpc/backchannel_rqst.c index 3ad435a14ada..b56f23eb2180 100644 --- a/net/sunrpc/backchannel_rqst.c +++ b/net/sunrpc/backchannel_rqst.c @@ -59,7 +59,7 @@ static void xprt_free_allocation(struct rpc_rqst *req) dprintk("RPC: free allocations for req= %p\n", req); BUG_ON(test_bit(RPC_BC_PA_IN_USE, &req->rq_bc_pa_state)); - xbufp = &req->rq_private_buf; + xbufp = &req->rq_rcv_buf; free_page((unsigned long)xbufp->head[0].iov_base); xbufp = &req->rq_snd_buf; free_page((unsigned long)xbufp->head[0].iov_base); -- 2.39.2