[PATCH] crypto: exynos - fix Wvoid-pointer-to-enum-cast warning

Krzysztof Kozlowski posted 1 patch 2 years, 6 months ago
drivers/crypto/exynos-rng.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
[PATCH] crypto: exynos - fix Wvoid-pointer-to-enum-cast warning
Posted by Krzysztof Kozlowski 2 years, 6 months ago
'type' is an enum, thus cast of pointer on 64-bit compile test with W=1
causes:

  exynos-rng.c:280:14: error: cast to smaller integer type 'enum exynos_prng_type' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 drivers/crypto/exynos-rng.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/crypto/exynos-rng.c b/drivers/crypto/exynos-rng.c
index cbd8ca6e52ee..b1df66be9adc 100644
--- a/drivers/crypto/exynos-rng.c
+++ b/drivers/crypto/exynos-rng.c
@@ -277,7 +277,7 @@ static int exynos_rng_probe(struct platform_device *pdev)
 	if (!rng)
 		return -ENOMEM;
 
-	rng->type = (enum exynos_prng_type)of_device_get_match_data(&pdev->dev);
+	rng->type = (uintptr_t)of_device_get_match_data(&pdev->dev);
 
 	mutex_init(&rng->lock);
 
-- 
2.34.1
Re: [PATCH] crypto: exynos - fix Wvoid-pointer-to-enum-cast warning
Posted by Herbert Xu 2 years, 5 months ago
On Thu, Aug 10, 2023 at 12:00:23PM +0200, Krzysztof Kozlowski wrote:
> 'type' is an enum, thus cast of pointer on 64-bit compile test with W=1
> causes:
> 
>   exynos-rng.c:280:14: error: cast to smaller integer type 'enum exynos_prng_type' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> ---
>  drivers/crypto/exynos-rng.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt