rpcrdma: Always release the rpcrdma_device's xa_array

Dai pointed out that the xa_init_flags() in rpcrdma_add_one() needs
to have a matching xa_destroy() in rpcrdma_remove_one() to release
underlying memory that the xarray might have accrued during
operation.

Reported-by: Dai Ngo <dai.ngo@oracle.com>
Fixes: 7e86845a0346 ("rpcrdma: Implement generic device removal")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>

diff --git a/net/sunrpc/xprtrdma/ib_client.c b/net/sunrpc/xprtrdma/ib_client.c
index 8507cd4d892170dcaf166056e4013aa821c1fcee..28c68b5f682382ea2906e6c56db0793b313a5efc 100644 (file)
--- a/net/sunrpc/xprtrdma/ib_client.c
+++ b/net/sunrpc/xprtrdma/ib_client.c
@@ -153,6 +153,7 @@ static void rpcrdma_remove_one(struct ib_device *device,
        }
 
        trace_rpcrdma_client_remove_one_done(device);
+       xa_destroy(&rd->rd_xa);
        kfree(rd);
 }