[PATCH] PCI: remove unused "scratch"

Unused variable.
Signed-off-by: NBjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

drivers/pci/hotplug.c

@@ -7,7 +7,6 @@ int pci_hotplug (struct device *dev, char **envp, int num_envp,
 		 char *buffer, int buffer_size)
 {
 	struct pci_dev *pdev;
-	char *scratch;
 	int i = 0;
 	int length = 0;
 
@@ -18,9 +17,6 @@ int pci_hotplug (struct device *dev, char **envp, int num_envp,
 	if (!pdev)
 		return -ENODEV;
 
-	scratch = buffer;
-
-
 	if (add_hotplug_env_var(envp, num_envp, &i,
 				buffer, buffer_size, &length,
 				"PCI_CLASS=%04X", pdev->class))