From: Trond Myklebust <trond.mykleb...@primarydata.com>
3.4.110-rc1 review patch. If anyone has any objections, please let me know.
------------------
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 <trond.mykleb...@primarydata.com>
[lizf: Backported to 3.4: adjust context]
Signed-off-by: Zefan Li <lize...@huawei.com>
---
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 31def68..617b955 100644
--- a/net/sunrpc/backchannel_rqst.c
+++ b/net/sunrpc/backchannel_rqst.c
@@ -60,7 +60,7 @@ 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);
--
1.9.1
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