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-rw-r--r--drivers/mtd/ubi/build.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c
index 9b94427be14..b85ca186afc 100644
--- a/drivers/mtd/ubi/build.c
+++ b/drivers/mtd/ubi/build.c
@@ -845,6 +845,9 @@ static int __init ubi_mtd_param_parse(const char *val, struct kernel_param *kp)
char *pbuf = &buf[0];
char *tokens[3] = {NULL, NULL, NULL};
+ if (!val)
+ return -EINVAL;
+
if (mtd_devs == UBI_MAX_DEVICES) {
printk("UBI error: too many parameters, max. is %d\n",
UBI_MAX_DEVICES);