PCI: spear: Use BUG_ON() instead of condition followed by BUG()

Author: Fabio Estevam <fabio.estevam@freescale.com>

Use BUG_ON() instead of an if condition followed by BUG().

The semantic patch that makes this change is available in
scripts/coccinelle/misc/bugon.cocci.

Signed-off-by: Fabio Estevam 
Signed-off-by: Bjorn Helgaas 
CC: Pratyush Anand 
---
 drivers/pci/host/pcie-spear13xx.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
 
diff --git a/drivers/pci/host/pcie-spear13xx.c b/drivers/pci/host/pcie-spear13xx.c
index c49fbdc..98d2683 100644
--- a/drivers/pci/host/pcie-spear13xx.c
+++ b/drivers/pci/host/pcie-spear13xx.c
@@ -223,8 +223,7 @@ static irqreturn_t spear13xx_pcie_irq_handler(int irq, void *arg)
 	status = readl(&app_reg->int_sts);
 
 	if (status & MSI_CTRL_INT) {
-		if (!IS_ENABLED(CONFIG_PCI_MSI))
-			BUG();
+		BUG_ON(!IS_ENABLED(CONFIG_PCI_MSI));
 		dw_handle_msi_irq(pp);
 	}