crypto: rockchip: Fixed a warning found by static code scanner

Signed-off-by: Lin Jinhan <troy.lin@rock-chips.com>
Change-Id: I95055ed3d767719b9b2088330f3e5646491b6894

drivers/crypto/rockchip/cryptodev_linux/ioctl.c

@@ -131,6 +131,8 @@ crypto_create_session(struct fcrypt *fcr, struct session_op *sop)
 		return -EINVAL;
 	}
 
+	memset(&keys, 0x00, sizeof(keys));
+
 	switch (sop->cipher) {
 	case 0:
 		break;

drivers/crypto/rockchip/cryptodev_linux/rk_cryptodev.c

@@ -636,7 +636,7 @@ static int crypto_rsa_run(struct fcrypt *fcr, struct kernel_crypt_rsa_op *krop)
 	const char *driver = "rsa-rk";
 	struct crypto_akcipher *tfm = NULL;
 	struct akcipher_request *req = NULL;
-	struct crypto_wait wait;
+	DECLARE_CRYPTO_WAIT(wait);
 	struct scatterlist src, dst;
 	bool is_priv_key = (rop->flags & COP_FLAG_RSA_PRIV) == COP_FLAG_RSA_PRIV;
 

drivers/crypto/rockchip/cryptodev_linux/zc.c

@@ -90,7 +90,7 @@ int __cryptodev_get_userbuf(uint8_t __user *addr, uint32_t len, int write,
 #else
 	mmap_read_unlock(mm);
 #endif
-	if (ret != pgcount)
+	if (ret < 0 || ret != pgcount)
 		return -EINVAL;
 
 	sg_init_table(sg, pgcount);