UBI: bugfix: dont oops with NULL module parameter
E.g., it oopsed in case of: modprobe ubi mtd = 0 Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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@ -845,6 +845,9 @@ static int __init ubi_mtd_param_parse(const char *val, struct kernel_param *kp)
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char *pbuf = &buf[0];
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char *tokens[3] = {NULL, NULL, NULL};
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if (!val)
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return -EINVAL;
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if (mtd_devs == UBI_MAX_DEVICES) {
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printk("UBI error: too many parameters, max. is %d\n",
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UBI_MAX_DEVICES);
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