diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c
index de54c7f5048af4005dbfc51c04579813e9635455..3866117bc285c6b315d2c331c07b21b7d83b443a 100644
--- a/drivers/nvmem/core.c
+++ b/drivers/nvmem/core.c
@@ -135,7 +135,7 @@ static ssize_t bin_attr_nvmem_write(struct file *filp, struct kobject *kobj,
 
 	/* Stop the user from writing */
 	if (pos >= nvmem->size)
-		return 0;
+		return -EFBIG;
 
 	if (count < nvmem->word_size)
 		return -EINVAL;