PCI: rpaphp: Remove unused variable 'value'

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/pci/hotplug/rpaphp_core.c: In function is_php_type:
drivers/pci/hotplug/rpaphp_core.c:291:16: warning:
	variable value set but not used [-Wunused-but-set-variable]

Reported-by: Hulk Robot <[email protected]>
Signed-off-by: Chen Zhou <[email protected]>
Acked-by: Bjorn Helgaas <[email protected]>
Signed-off-by: Michael Ellerman <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

Author: Chen Zhou

drivers/pci/hotplug/rpaphp_core.c

@@ -288,11 +288,10 @@ EXPORT_SYMBOL_GPL(rpaphp_check_drc_props);
 
 static int is_php_type(char *drc_type)
 {
-	unsigned long value;
 	char *endptr;
 
 	/* PCI Hotplug nodes have an integer for drc_type */
-	value = simple_strtoul(drc_type, &endptr, 10);
+	simple_strtoul(drc_type, &endptr, 10);
 	if (endptr == drc_type)
 		return 0;