[PATCH] [MTD] block2mtd: remove warning

drivers/mtd/devices/block2mtd.c:311:9: warning: symbol 'dev' shadows an earlier one
drivers/mtd/devices/block2mtd.c:294:23: originally declared here

Signed-off-by: Jörn Engel <joern@lazybastard.org>
diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c
index 6a9fb80..3bc9215 100644
--- a/drivers/mtd/devices/block2mtd.c
+++ b/drivers/mtd/devices/block2mtd.c
@@ -308,9 +308,9 @@
 		/* We might not have rootfs mounted at this point. Try
 		   to resolve the device name by other means. */
 
-		dev_t dev = name_to_dev_t(devname);
-		if (dev != 0) {
-			bdev = open_by_devnum(dev, FMODE_WRITE | FMODE_READ);
+		dev_t devt = name_to_dev_t(devname);
+		if (devt) {
+			bdev = open_by_devnum(devt, FMODE_WRITE | FMODE_READ);
 		}
 	}
 #endif