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ibmvnic: Potential NULL dereference in clean_one_tx_pool()
authorDan Carpenter <dan.carpenter@oracle.com>
Fri, 23 Mar 2018 11:36:15 +0000 (14:36 +0300)
committerDavid S. Miller <davem@davemloft.net>
Mon, 26 Mar 2018 01:14:03 +0000 (21:14 -0400)
There is an && vs || typo here, which potentially leads to a NULL
dereference.

Fixes: e9e1e97884b7 ("ibmvnic: Update TX pool cleaning routine")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/ibm/ibmvnic.c

index 5632c03..0389a7a 100644 (file)
@@ -1135,7 +1135,7 @@ static void clean_one_tx_pool(struct ibmvnic_adapter *adapter,
        u64 tx_entries;
        int i;
 
-       if (!tx_pool && !tx_pool->tx_buff)
+       if (!tx_pool || !tx_pool->tx_buff)
                return;
 
        tx_entries = tx_pool->num_buffers;