Commit de915688 authored by Corentin LABBE's avatar Corentin LABBE Committed by Herbert Xu
Browse files

crypto: stm32 - use of_device_get_match_data 



The usage of of_device_get_match_data reduce the code size a bit.
Furthermore, it prevents an improbable dereference when
of_match_device() return NULL.

Signed-off-by: default avatarCorentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent e781c17c

drivers/crypto/stm32/stm32-hash.c

+2 −5
Original line number Diff line number Diff line
@@ -1407,11 +1407,10 @@ MODULE_DEVICE_TABLE(of, stm32_hash_of_match); 
static int stm32_hash_get_of_match(struct stm32_hash_dev *hdev,

				   struct device *dev)

{

	const struct of_device_id *match;

	int err;



	match = of_match_device(stm32_hash_of_match, dev);

	if (!match) {

	hdev->pdata = of_device_get_match_data(dev);

	if (!hdev->pdata) {

		dev_err(dev, "no compatible OF match\n");

		return -EINVAL;

	}
@@ -1419,8 +1418,6 @@ static int stm32_hash_get_of_match(struct stm32_hash_dev *hdev, 
	err = of_property_read_u32(dev->of_node, "dma-maxburst",

				   &hdev->dma_maxburst);



	hdev->pdata = match->data;



	return err;

}