xprtrdma: xprt_rdma_free() must not release backchannel reqs

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Preserve any rpcrdma_req that is attached to rpc_rqst's allocated
for the backchannel. Otherwise, after all the pre-allocated
backchannel req's are consumed, incoming backward calls start
writing on freed memory.

Somehow this hunk got lost.

Fixes: f531a5dbc4 ('xprtrdma: Pre-allocate backward rpc_rqst')
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Tested-by: Devesh Sharma <devesh.sharma@avagotech.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

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Chuck Lever 2015-12-16 17:22:14 -05:00 • committed by Anna Schumaker

parent 9b06688bc3

commit ffc4d9b159

1 changed files with 3 additions and 0 deletions

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net/sunrpc/xprtrdma/transport.c

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