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ibmvnic: Fix unchecked return codes of memory allocations 

The return values for these memory allocations are unchecked,
which may cause an oops if the driver does not handle them after
a failure. Fix by checking the function's return code.

Signed-off-by: Thomas Falcon <tlfalcon@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.2
Thomas Falcon 2019-06-07 16:03:55 -05:00 committed by David S. Miller
parent be32a24372
commit 7c940b1a52
1 changed files with 7 additions and 6 deletions
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13
drivers/net/ethernet/ibm/ibmvnic.c
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@ -428,9 +428,10 @@ static int reset_rx_pools(struct ibmvnic_adapter *adapter)
if (rx_pool->buff_size != be64_to_cpu(size_array[i])) {
free_long_term_buff(adapter, &rx_pool->long_term_buff);
rx_pool->buff_size = be64_to_cpu(size_array[i]);
alloc_long_term_buff(adapter, &rx_pool->long_term_buff,
rx_pool->size *
rx_pool->buff_size);
rc = alloc_long_term_buff(adapter,
&rx_pool->long_term_buff,
rx_pool->size *
rx_pool->buff_size);
} else {
rc = reset_long_term_buff(adapter,
&rx_pool->long_term_buff);
@ -696,9 +697,9 @@ static int init_tx_pools(struct net_device *netdev)
return rc;
}
init_one_tx_pool(netdev, &adapter->tso_pool[i],
IBMVNIC_TSO_BUFS,
IBMVNIC_TSO_BUF_SZ);
rc = init_one_tx_pool(netdev, &adapter->tso_pool[i],
IBMVNIC_TSO_BUFS,
IBMVNIC_TSO_BUF_SZ);
if (rc) {
release_tx_pools(adapter);
return rc;