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path: root/drivers/net/igbvf/ethtool.c
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Diffstat (limited to 'drivers/net/igbvf/ethtool.c')
-rw-r--r--drivers/net/igbvf/ethtool.c30
1 files changed, 17 insertions, 13 deletions
diff --git a/drivers/net/igbvf/ethtool.c b/drivers/net/igbvf/ethtool.c
index ee17a097d1ca..c68265bd0d1a 100644
--- a/drivers/net/igbvf/ethtool.c
+++ b/drivers/net/igbvf/ethtool.c
@@ -279,7 +279,7 @@ static int igbvf_set_ringparam(struct net_device *netdev,
279{ 279{
280 struct igbvf_adapter *adapter = netdev_priv(netdev); 280 struct igbvf_adapter *adapter = netdev_priv(netdev);
281 struct igbvf_ring *temp_ring; 281 struct igbvf_ring *temp_ring;
282 int err; 282 int err = 0;
283 u32 new_rx_count, new_tx_count; 283 u32 new_rx_count, new_tx_count;
284 284
285 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) 285 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
@@ -299,15 +299,22 @@ static int igbvf_set_ringparam(struct net_device *netdev,
299 return 0; 299 return 0;
300 } 300 }
301 301
302 temp_ring = vmalloc(sizeof(struct igbvf_ring));
303 if (!temp_ring)
304 return -ENOMEM;
305
306 while (test_and_set_bit(__IGBVF_RESETTING, &adapter->state)) 302 while (test_and_set_bit(__IGBVF_RESETTING, &adapter->state))
307 msleep(1); 303 msleep(1);
308 304
309 if (netif_running(adapter->netdev)) 305 if (!netif_running(adapter->netdev)) {
310 igbvf_down(adapter); 306 adapter->tx_ring->count = new_tx_count;
307 adapter->rx_ring->count = new_rx_count;
308 goto clear_reset;
309 }
310
311 temp_ring = vmalloc(sizeof(struct igbvf_ring));
312 if (!temp_ring) {
313 err = -ENOMEM;
314 goto clear_reset;
315 }
316
317 igbvf_down(adapter);
311 318
312 /* 319 /*
313 * We can't just free everything and then setup again, 320 * We can't just free everything and then setup again,
@@ -339,14 +346,11 @@ static int igbvf_set_ringparam(struct net_device *netdev,
339 346
340 memcpy(adapter->rx_ring, temp_ring,sizeof(struct igbvf_ring)); 347 memcpy(adapter->rx_ring, temp_ring,sizeof(struct igbvf_ring));
341 } 348 }
342
343 err = 0;
344err_setup: 349err_setup:
345 if (netif_running(adapter->netdev)) 350 igbvf_up(adapter);
346 igbvf_up(adapter);
347
348 clear_bit(__IGBVF_RESETTING, &adapter->state);
349 vfree(temp_ring); 351 vfree(temp_ring);
352clear_reset:
353 clear_bit(__IGBVF_RESETTING, &adapter->state);
350 return err; 354 return err;
351} 355}
352 356