diff -puN drivers/mtd/devices/m25p80.c~mtd-m25p80-fix-null-pointer-dereference-bug drivers/mtd/devices/m25p80.c
--- a/drivers/mtd/devices/m25p80.c~mtd-m25p80-fix-null-pointer-dereference-bug
+++ a/drivers/mtd/devices/m25p80.c
@@ -736,7 +736,7 @@ static int __devinit m25p_probe(struct s
 			flash->partitioned = 1;
 			return add_mtd_partitions(&flash->mtd, parts, nr_parts);
 		}
-	} else if (data->nr_parts)
+	} else if (data && data->nr_parts)
 		dev_warn(&spi->dev, "ignoring %d default partitions on %s\n",
 				data->nr_parts, data->name);