[PATCH] nvmem: core: let stride and word_size default to 1

[Heiner Kallweit]

If the caller doesn't set stride and/or word_size in struct nvmem_config 
then nvmem_register accepts this but we may face strange effects later
due to both values being 0. Therefore use 1 as default for both values.

Signed-off-by: Heiner Kallweit <hkallwe...@gmail.com>
---
 drivers/nvmem/core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c
index ba0e3b453..129dad0ce 100644
--- a/drivers/nvmem/core.c
+++ b/drivers/nvmem/core.c
@@ -463,8 +463,8 @@ struct nvmem_device *nvmem_register(const struct 
nvmem_config *config)
        nvmem->owner = config->owner;
        if (!nvmem->owner && config->dev->driver)
                nvmem->owner = config->dev->driver->owner;
-       nvmem->stride = config->stride;
-       nvmem->word_size = config->word_size;
+       nvmem->stride = config->stride ?: 1;
+       nvmem->word_size = config->word_size ?: 1;
        nvmem->size = config->size;
        nvmem->dev.type = &nvmem_provider_type;
        nvmem->dev.bus = &nvmem_bus_type;
-- 
2.15.0