diff --git a/components/mbedtls/mbedtls b/components/mbedtls/mbedtls
index f5f2e5926..9ef92c551 160000
--- a/components/mbedtls/mbedtls
+++ b/components/mbedtls/mbedtls
@@ -1 +1 @@
-Subproject commit f5f2e5926cd294ae7cb579ff6a12ad9303caeb6e
+Subproject commit 9ef92c551eb8d92677034c3ec8078a8076febf41
diff --git a/components/wpa_supplicant/src/crypto/crypto_mbedtls.c b/components/wpa_supplicant/src/crypto/crypto_mbedtls.c
index d6a91b532..fbbab1a9e 100644
--- a/components/wpa_supplicant/src/crypto/crypto_mbedtls.c
+++ b/components/wpa_supplicant/src/crypto/crypto_mbedtls.c
@@ -270,7 +270,7 @@ struct crypto_ec *crypto_ec_init(int group)
         return NULL;
     }
 
-    mbedtls_ecp_group_init( &e->group );
+    mbedtls_ecp_group_init(&e->group);
 
     if (mbedtls_ecp_group_load(&e->group, grp_id)) {
         crypto_ec_deinit(e);
@@ -287,7 +287,7 @@ void crypto_ec_deinit(struct crypto_ec *e)
         return;
     }
 
-    mbedtls_ecp_group_free( &e->group );
+    mbedtls_ecp_group_free(&e->group);
     os_free(e);
 }
 
@@ -421,6 +421,7 @@ int crypto_ec_point_mul(struct crypto_ec *e, const struct crypto_ec_point *p,
     mbedtls_ctr_drbg_context ctr_drbg;
 
     mbedtls_entropy_init(&entropy);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
 
     MBEDTLS_MPI_CHK(mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
                                     NULL, 0));
@@ -432,8 +433,8 @@ int crypto_ec_point_mul(struct crypto_ec *e, const struct crypto_ec_point *p,
                 mbedtls_ctr_drbg_random,
                 &ctr_drbg));
 cleanup:
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
     return ret ? -1 : 0;
 }