net: aquantia: remove some redundant variable initializations

There are several variables being initialized that are being set later
and hence the initialization is redundant and can be removed. Remove
then.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c

@@ -84,7 +84,7 @@ static int aq_pci_probe_get_hw_by_id(struct pci_dev *pdev,
 				     const struct aq_hw_ops **ops,
 				     const struct aq_hw_caps_s **caps)
 {
-	int i = 0;
+	int i;
 
 	if (pdev->vendor != PCI_VENDOR_ID_AQUANTIA)
 		return -EINVAL;
@@ -107,7 +107,7 @@ static int aq_pci_probe_get_hw_by_id(struct pci_dev *pdev,
 
 int aq_pci_func_init(struct pci_dev *pdev)
 {
-	int err = 0;
+	int err;
 
 	err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
 	if (!err) {
@@ -141,7 +141,7 @@ int aq_pci_func_alloc_irq(struct aq_nic_s *self, unsigned int i,
 			  char *name, void *aq_vec, cpumask_t *affinity_mask)
 {
 	struct pci_dev *pdev = self->pdev;
-	int err = 0;
+	int err;
 
 	if (pdev->msix_enabled || pdev->msi_enabled)
 		err = request_irq(pci_irq_vector(pdev, i), aq_vec_isr, 0,
@@ -164,7 +164,7 @@ int aq_pci_func_alloc_irq(struct aq_nic_s *self, unsigned int i,
 void aq_pci_func_free_irqs(struct aq_nic_s *self)
 {
 	struct pci_dev *pdev = self->pdev;
-	unsigned int i = 0U;
+	unsigned int i;
 
 	for (i = 32U; i--;) {
 		if (!((1U << i) & self->msix_entry_mask))
@@ -194,8 +194,8 @@ static void aq_pci_free_irq_vectors(struct aq_nic_s *self)
 static int aq_pci_probe(struct pci_dev *pdev,
 			const struct pci_device_id *pci_id)
 {
-	struct aq_nic_s *self = NULL;
-	int err = 0;
+	struct aq_nic_s *self;
+	int err;
 	struct net_device *ndev;
 	resource_size_t mmio_pa;
 	u32 bar;