linux-kernel - [PATCH 3/3] PCI hotplug: remove assignement from if conditions

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Date:	Mon, 4 Aug 2014 21:01:53 +0200
From:	Quentin Lambert <lambert.quentin@...il.com>
To:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Len Brown <lenb@...nel.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Scott Murray <scott@...teful.org>, linux-acpi@...r.kernel.org,
	linux-pci@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH 3/3] PCI hotplug: remove assignement from if conditions

The following Coccinelle semantic patch was used to
find and correct cases of assignements in if conditions:

@ifassign@
expression var, expr;
statement S;
@@

- if(!(var = expr)) S
+ var = expr;
+ if(!var) S

Signed-off-by: Quentin Lambert <lambert.quentin@...il.com>
---
 drivers/pci/hotplug/acpi_pcihp.c    | 3 ++-
 drivers/pci/hotplug/cpcihp_zt5550.c | 5 +++--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/pci/hotplug/acpi_pcihp.c b/drivers/pci/hotplug/acpi_pcihp.c
index a94d850..2cac548 100644
--- a/drivers/pci/hotplug/acpi_pcihp.c
+++ b/drivers/pci/hotplug/acpi_pcihp.c
@@ -433,7 +433,8 @@ int acpi_pci_check_ejectable(struct pci_bus *pbus, acpi_handle handle)
 {
 	acpi_handle bridge_handle, parent_handle;
 
-	if (!(bridge_handle = acpi_pci_get_bridge_handle(pbus)))
+	bridge_handle = acpi_pci_get_bridge_handle(pbus);
+	if (!bridge_handle)
 		return 0;
 	if ((ACPI_FAILURE(acpi_get_parent(handle, &parent_handle))))
 		return 0;
diff --git a/drivers/pci/hotplug/cpcihp_zt5550.c b/drivers/pci/hotplug/cpcihp_zt5550.c
index 2b222fc..4d0cf3f 100644
--- a/drivers/pci/hotplug/cpcihp_zt5550.c
+++ b/drivers/pci/hotplug/cpcihp_zt5550.c
@@ -237,8 +237,9 @@ static int zt5550_hc_init_one (struct pci_dev *pdev, const struct pci_device_id
 	dbg("registered controller");
 
 	/* Look for first device matching cPCI bus's bridge vendor and device IDs */
-	if (!(bus0_dev = pci_get_device(PCI_VENDOR_ID_DEC,
-					 PCI_DEVICE_ID_DEC_21154, NULL))) {
+	bus0_dev = pci_get_device(PCI_VENDOR_ID_DEC,
+				  PCI_DEVICE_ID_DEC_21154, NULL);
+	if (!bus0_dev) {
 		status = -ENODEV;
 		goto init_register_error;
 	}
-- 
1.9.1

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