[PATCH v4 3/7] crypto: starfive: Skip unneeded key free

From: Jia Jie Ho
Date: Tue Mar 05 2024 - 02:11:42 EST


Skip unneeded kfree_sensitive if RSA module is using falback algo.

Signed-off-by: Jia Jie Ho <jiajie.ho@xxxxxxxxxxxxxxxx>
---
drivers/crypto/starfive/jh7110-rsa.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/crypto/starfive/jh7110-rsa.c b/drivers/crypto/starfive/jh7110-rsa.c
index cf8bda7f0855..e642e948d747 100644
--- a/drivers/crypto/starfive/jh7110-rsa.c
+++ b/drivers/crypto/starfive/jh7110-rsa.c
@@ -45,6 +45,9 @@ static inline int starfive_pka_wait_done(struct starfive_cryp_ctx *ctx)

static void starfive_rsa_free_key(struct starfive_rsa_key *key)
{
+ if (!key->key_sz)
+ return;
+
kfree_sensitive(key->d);
kfree_sensitive(key->e);
kfree_sensitive(key->n);
--
2.34.1