[PATCH] fix error management in 8250_pci.c pciserial_resume_one

[Stefano Brivio <stefano.brivio@polimi.it>]

  CC      drivers/serial/8250_pci.o
drivers/serial/8250_pci.c: In function 'pciserial_resume_one':
drivers/serial/8250_pci.c:1830: warning: ignoring return value of 'pci_enable_device', declared with attribute warn_unused_result

This patch fixes it.

Signed-off-by: Stefano Brivio <stefano.brivio@polimi.it>
---

--- drivers/serial/8250_pci.c.orig	2007-02-13 11:04:03.579805618 +0100
+++ drivers/serial/8250_pci.c	2007-02-13 11:12:52.128454010 +0100
@@ -1819,6 +1819,7 @@
 static int pciserial_resume_one(struct pci_dev *dev)
 {
 	struct serial_private *priv = pci_get_drvdata(dev);
+	int rc;
 
 	pci_set_power_state(dev, PCI_D0);
 	pci_restore_state(dev);
@@ -1827,7 +1828,9 @@
 		/*
 		 * The device may have been disabled.  Re-enable it.
 		 */
-		pci_enable_device(dev);
+		rc = pci_enable_device(dev);
+		if (rc)
+			return rc;
 
 		pciserial_resume_ports(priv);
 	}
-
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