drivers: fix integer as NULL pointer warnings

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/mtd/maps/plat-ram.c b/drivers/mtd/maps/plat-ram.c
index f0b10ca..3eb2643 100644
--- a/drivers/mtd/maps/plat-ram.c
+++ b/drivers/mtd/maps/plat-ram.c
@@ -209,7 +209,7 @@
 	/* probe for the right mtd map driver
 	 * supplied by the platform_data struct */
 
-	if (pdata->map_probes != 0) {
+	if (pdata->map_probes) {
 		const char **map_probes = pdata->map_probes;
 
 		for ( ; !info->mtd && *map_probes; map_probes++)