Etienne should have been on the CC list. He's in ./scripts/get_maintainer.pl so I'm not sure what went wrong there... I've added him.
On Wed, Jan 31, 2024 at 11:12:16AM +0000, Weizhao Ouyang wrote:
Fix a SMCCC TRNG null pointer crash due to a failed smccc feature binding.
Reviewed-by: Heinrich Schuchardt xypron.glpk@gmx.de Signed-off-by: Weizhao Ouyang o451686892@gmail.com
drivers/rng/smccc_trng.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/rng/smccc_trng.c b/drivers/rng/smccc_trng.c index 3a4bb33941..3087cb991a 100644 --- a/drivers/rng/smccc_trng.c +++ b/drivers/rng/smccc_trng.c @@ -166,7 +166,7 @@ static int smccc_trng_probe(struct udevice *dev) struct smccc_trng_priv *priv = dev_get_priv(dev); struct arm_smccc_res res;
- if (!(smccc_trng_is_supported(smccc->invoke_fn)))
- if (!smccc || !(smccc_trng_is_supported(smccc->invoke_fn)))
To me it seems a bit strange that dm_priv_to_rw() can return NULL... Anyway, probably the Fixes tag should point to when the driver was added.
Fixes: 53355bb86c25 ("drivers: rng: add smccc trng driver")
regards, dan carpenter