PCI/MSI: Remove unnecessary braces around single statements

Per Documentation/CodingStyle, don't use braces around single statements.
Signed-off-by: NJiang Liu <jiang.liu@linux.intel.com>
Acked-by: NBjorn Helgaas <bhelgaas@google.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Yingjoe Chen <yingjoe.chen@mediatek.com>
Cc: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>

drivers/pci/msi.c

@@ -254,9 +254,8 @@ void default_restore_msi_irqs(struct pci_dev *dev)
 {
 	struct msi_desc *entry;
 
-	list_for_each_entry(entry, &dev->msi_list, list) {
+	list_for_each_entry(entry, &dev->msi_list, list)
 		default_restore_msi_irq(dev, entry->irq);
-	}
 }
 
 void __read_msi_msg(struct msi_desc *entry, struct msi_msg *msg)
@@ -461,9 +460,8 @@ static void __pci_restore_msix_state(struct pci_dev *dev)
 				PCI_MSIX_FLAGS_ENABLE | PCI_MSIX_FLAGS_MASKALL);
 
 	arch_restore_msi_irqs(dev);
-	list_for_each_entry(entry, &dev->msi_list, list) {
+	list_for_each_entry(entry, &dev->msi_list, list)
 		msix_mask_irq(entry, entry->masked);
-	}
 
 	msix_clear_and_set_ctrl(dev, PCI_MSIX_FLAGS_MASKALL, 0);
 }
@@ -507,9 +505,8 @@ static int populate_msi_sysfs(struct pci_dev *pdev)
 	int count = 0;
 
 	/* Determine how many msi entries we have */
-	list_for_each_entry(entry, &pdev->msi_list, list) {
+	list_for_each_entry(entry, &pdev->msi_list, list)
 		++num_msi;
-	}
 	if (!num_msi)
 		return 0;