mwifiex: remove redundant pdev check in suspend/resume handlers

to_pci_dev() would just do struct offset arithmetic on struct
device to get 'pdev' pointer. We never get NULL pdev pointer.
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Tested-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/marvell/mwifiex/pcie.c

@@ -117,16 +117,11 @@ static int mwifiex_pcie_suspend(struct device *dev)
 	struct pcie_service_card *card;
 	struct pci_dev *pdev = to_pci_dev(dev);
 
-	if (pdev) {
 	card = pci_get_drvdata(pdev);
 	if (!card || !card->adapter) {
 		pr_err("Card or adapter structure is not valid\n");
 		return 0;
 	}
-	} else {
-		pr_err("PCIE device is not specified\n");
-		return 0;
-	}
 
 	adapter = card->adapter;
 	mwifiex_enable_wake(adapter);
@@ -162,14 +157,9 @@ static int mwifiex_pcie_resume(struct device *dev)
 	struct pcie_service_card *card;
 	struct pci_dev *pdev = to_pci_dev(dev);
 
-	if (pdev) {
 	card = pci_get_drvdata(pdev);
 	if (!card || !card->adapter) {
-			pr_err("Card or adapter structure is not valid\n");
-			return 0;
-		}
-	} else {
-		pr_err("PCIE device is not specified\n");
+		dev_err(dev, "Card or adapter structure is not valid\n");
 		return 0;
 	}