Merge branch 'fixes' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur...

[pandora-kernel.git] / drivers / mtd / tests / mtd_oobtest.c

diff --git a/drivers/mtd/tests/mtd_oobtest.c b/drivers/mtd/tests/mtd_oobtest.c
index 6bcff42..933f7e5 100644 (file)
--- a/drivers/mtd/tests/mtd_oobtest.c
+++ b/drivers/mtd/tests/mtd_oobtest.c
@@ -30,7 +30,7 @@
 
 #define PRINT_PREF KERN_INFO "mtd_oobtest: "
 
-static int dev;
+static int dev = -EINVAL;
 module_param(dev, int, S_IRUGO);
 MODULE_PARM_DESC(dev, "MTD device number to use");
 
@@ -366,6 +366,13 @@ static int __init mtd_oobtest_init(void)
 
        printk(KERN_INFO "\n");
        printk(KERN_INFO "=================================================\n");
+
+       if (dev < 0) {
+               printk(PRINT_PREF "Please specify a valid mtd-device via module paramter\n");
+               printk(KERN_CRIT "CAREFUL: This test wipes all data on the specified MTD device!\n");
+               return -EINVAL;
+       }
+
        printk(PRINT_PREF "MTD device: %d\n", dev);
 
        mtd = get_mtd_device(NULL, dev);