diff options
| author | Corentin LABBE <clabbe.montjoie@gmail.com> | 2017-09-20 21:31:40 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-10-07 07:10:34 +0300 |
| commit | de915688385ca9df749a3d46e824a8200f05d65e (patch) | |
| tree | ea94301995e0265671a77621fe0ce8cf77a9c527 /drivers | |
| parent | e781c17c22fdd390e54b972c010acdc862ac66df (diff) | |
| download | linux-de915688385ca9df749a3d46e824a8200f05d65e.tar.xz | |
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: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/crypto/stm32/stm32-hash.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/crypto/stm32/stm32-hash.c b/drivers/crypto/stm32/stm32-hash.c index b34ee85509c2..fd13838fcff2 100644 --- a/drivers/crypto/stm32/stm32-hash.c +++ b/drivers/crypto/stm32/stm32-hash.c @@ -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; } |