diff options
| author | Weizhao Ouyang <o451686892@gmail.com> | 2024-03-04 14:42:41 +0000 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2024-03-13 12:40:43 -0400 |
| commit | 1da4d327d49bb068bdc69974e0dee1391dfb30e6 (patch) | |
| tree | 8d02b0a2acaf3e9541f368fb5000e3efec3ead63 | |
| parent | 12ccdcd79bddace90dfb6080084b0e36a6d44b37 (diff) | |
driver: rng: Fix SMCCC TRNG crash
Fix a SMCCC TRNG null pointer crash due to a failed smccc feature
binding.
Fixes: 53355bb86c25 ("drivers: rng: add smccc trng driver")
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Weizhao Ouyang <o451686892@gmail.com>
| -rw-r--r-- | drivers/rng/smccc_trng.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/rng/smccc_trng.c b/drivers/rng/smccc_trng.c index 5bb7ebe8a49..f59b80666b3 100644 --- a/drivers/rng/smccc_trng.c +++ b/drivers/rng/smccc_trng.c @@ -165,7 +165,7 @@ 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))) return -ENODEV; /* At least one of 64bit and 32bit interfaces is available */ |