diff options
Diffstat (limited to 'drivers/mtd/tests/mtd_speedtest.c')
| -rw-r--r-- | drivers/mtd/tests/mtd_speedtest.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/mtd/tests/mtd_speedtest.c b/drivers/mtd/tests/mtd_speedtest.c index 79d53ee62295..493b367bdd35 100644 --- a/drivers/mtd/tests/mtd_speedtest.c +++ b/drivers/mtd/tests/mtd_speedtest.c @@ -29,7 +29,7 @@ #define PRINT_PREF KERN_INFO "mtd_speedtest: " -static int dev; +static int dev = -EINVAL; module_param(dev, int, S_IRUGO); MODULE_PARM_DESC(dev, "MTD device number to use"); @@ -361,6 +361,13 @@ static int __init mtd_speedtest_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; + } + if (count) printk(PRINT_PREF "MTD device: %d count: %d\n", dev, count); else |