e1000: Move assignments in tests before test

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

2 files changed, 56 insertions, 34 deletions

diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c
index f9ac9a87ffab..6a3893acfe04 100644
--- a/drivers/net/e1000/e1000_ethtool.c
+++ b/drivers/net/e1000/e1000_ethtool.c
@@ -483,10 +483,12 @@ static int e1000_get_eeprom(struct net_device *netdev,
                                             last_word - first_word + 1,
                                             eeprom_buff);
         else {
-                for (i = 0; i < last_word - first_word + 1; i++)
-                        if ((ret_val = e1000_read_eeprom(hw, first_word + i, 1,
-                                                        &eeprom_buff[i])))
+                for (i = 0; i < last_word - first_word + 1; i++) {
+                        ret_val = e1000_read_eeprom(hw, first_word + i, 1,
+                                                    &eeprom_buff[i]);
+                        if (ret_val)
                                 break;
+                }
         }
 
         /* Device's eeprom is always little-endian, word addressable */
@@ -669,9 +671,11 @@ static int e1000_set_ringparam(struct net_device *netdev,
 
         if (netif_running(adapter->netdev)) {
                 /* Try to get new resources before deleting old */
-                if ((err = e1000_setup_all_rx_resources(adapter)))
+                err = e1000_setup_all_rx_resources(adapter);
+                if (err)
                         goto err_setup_rx;
-                if ((err = e1000_setup_all_tx_resources(adapter)))
+                err = e1000_setup_all_tx_resources(adapter);
+                if (err)
                         goto err_setup_tx;
 
                 /* save the new, restore the old in order to free it,
@@ -685,7 +689,8 @@ static int e1000_set_ringparam(struct net_device *netdev,
                 kfree(rx_old);
                 adapter->rx_ring = rxdr;
                 adapter->tx_ring = txdr;
-                if ((err = e1000_up(adapter)))
+                err = e1000_up(adapter);
+                if (err)
                         goto err_setup;
         }
 
@@ -1057,17 +1062,17 @@ static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
         if (!txdr->count)
                 txdr->count = E1000_DEFAULT_TXD;
 
-        if (!(txdr->buffer_info = kcalloc(txdr->count,
-                                          sizeof(struct e1000_buffer),
-                                          GFP_KERNEL))) {
+        txdr->buffer_info = kcalloc(txdr->count, sizeof(struct e1000_buffer),
+                                    GFP_KERNEL);
+        if (!txdr->buffer_info) {
                 ret_val = 1;
                 goto err_nomem;
         }
 
         txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
         txdr->size = ALIGN(txdr->size, 4096);
-        if (!(txdr->desc = pci_alloc_consistent(pdev, txdr->size,
-                                                &txdr->dma))) {
+        txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
+        if (!txdr->desc) {
                 ret_val = 2;
                 goto err_nomem;
         }
@@ -1088,7 +1093,8 @@ static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
                 struct sk_buff *skb;
                 unsigned int size = 1024;
 
-                if (!(skb = alloc_skb(size, GFP_KERNEL))) {
+                skb = alloc_skb(size, GFP_KERNEL);
+                if (!skb) {
                         ret_val = 3;
                         goto err_nomem;
                 }
@@ -1111,15 +1117,16 @@ static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
         if (!rxdr->count)
                 rxdr->count = E1000_DEFAULT_RXD;
 
-        if (!(rxdr->buffer_info = kcalloc(rxdr->count,
-                                          sizeof(struct e1000_buffer),
-                                          GFP_KERNEL))) {
+        rxdr->buffer_info = kcalloc(rxdr->count, sizeof(struct e1000_buffer),
+                                    GFP_KERNEL);
+        if (!rxdr->buffer_info) {
                 ret_val = 4;
                 goto err_nomem;
         }
 
         rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
-        if (!(rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma))) {
+        rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
+        if (!rxdr->desc) {
                 ret_val = 5;
                 goto err_nomem;
         }
@@ -1142,8 +1149,8 @@ static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
                 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
                 struct sk_buff *skb;
 
-                if (!(skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN,
-                                GFP_KERNEL))) {
+                skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN, GFP_KERNEL);
+                if (!skb) {
                         ret_val = 6;
                         goto err_nomem;
                 }
@@ -1564,9 +1571,11 @@ static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
                 goto out;
         }
 
-        if ((*data = e1000_setup_desc_rings(adapter)))
+        *data = e1000_setup_desc_rings(adapter);
+        if (*data)
                 goto out;
-        if ((*data = e1000_setup_loopback_test(adapter)))
+        *data = e1000_setup_loopback_test(adapter);
+        if (*data)
                 goto err_loopback;
         *data = e1000_run_loopback_test(adapter);
         e1000_loopback_cleanup(adapter);
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index cb44fded47ed..0de2006e8b97 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -898,22 +898,28 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
         u16 eeprom_apme_mask = E1000_EEPROM_APME;
         DECLARE_MAC_BUF(mac);
 
-        if ((err = pci_enable_device(pdev)))
+        err = pci_enable_device(pdev);
+        if (err)
                 return err;
 
-        if (!(err = pci_set_dma_mask(pdev, DMA_64BIT_MASK)) &&
-            !(err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK))) {
+        if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK) &&
+            !pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK)) {
                 pci_using_dac = 1;
         } else {
-                if ((err = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) &&
-                    (err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK))) {
-                        E1000_ERR("No usable DMA configuration, aborting\n");
-                        goto err_dma;
+                err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
+                if (err) {
+                        err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
+                        if (err) {
+                                E1000_ERR("No usable DMA configuration, "
+                                          "aborting\n");
+                                goto err_dma;
+                        }
                 }
                 pci_using_dac = 0;
         }
 
-        if ((err = pci_request_regions(pdev, e1000_driver_name)))
+        err = pci_request_regions(pdev, e1000_driver_name);
+        if (err)
                 goto err_pci_reg;
 
         pci_set_master(pdev);
@@ -975,7 +981,8 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
 
         /* setup the private structure */
 
-        if ((err = e1000_sw_init(adapter)))
+        err = e1000_sw_init(adapter);
+        if (err)
                 goto err_sw_init;
 
         err = -EIO;
@@ -1182,7 +1189,8 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
         netif_stop_queue(netdev);
 
         strcpy(netdev->name, "eth%d");
-        if ((err = register_netdev(netdev)))
+        err = register_netdev(netdev);
+        if (err)
                 goto err_register;
 
         DPRINTK(PROBE, INFO, "Intel(R) PRO/1000 Network Connection\n");
@@ -4400,7 +4408,8 @@ static bool e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
                 }
 
                 for (j = 0; j < adapter->rx_ps_pages; j++) {
-                        if (!(length= le16_to_cpu(rx_desc->wb.upper.length[j])))
+                        length = le16_to_cpu(rx_desc->wb.upper.length[j]);
+                        if (!length)
                                 break;
                         pci_unmap_page(pdev, ps_page_dma->ps_page_dma[j],
                                         PAGE_SIZE, PCI_DMA_FROMDEVICE);
@@ -5153,7 +5162,8 @@ static int e1000_resume(struct pci_dev *pdev)
 
         pci_set_power_state(pdev, PCI_D0);
         pci_restore_state(pdev);
-        if ((err = pci_enable_device(pdev))) {
+        err = pci_enable_device(pdev);
+        if (err) {
                 printk(KERN_ERR "e1000: Cannot enable PCI device from suspend\n");
                 return err;
         }
@@ -5162,8 +5172,11 @@ static int e1000_resume(struct pci_dev *pdev)
         pci_enable_wake(pdev, PCI_D3hot, 0);
         pci_enable_wake(pdev, PCI_D3cold, 0);
 
-        if (netif_running(netdev) && (err = e1000_request_irq(adapter)))
-                return err;
+        if (netif_running(netdev)) {
+                err = e1000_request_irq(adapter);
+                if (err)
+                        return err;
+        }
 
         e1000_power_up_phy(adapter);
         e1000_reset(adapter);