Always check CRYPTO_LOCK_{read,write}_lock

[thirdparty/openssl.git] / crypto / rsa / rsa_ossl.c

diff --git a/crypto/rsa/rsa_ossl.c b/crypto/rsa/rsa_ossl.c
index b92137ee0a0136f40abdd84884fcf56470c4b911..9f98c037c8a5fc661a939c6a1a6cf5e1ed291180 100644 (file)
--- a/crypto/rsa/rsa_ossl.c
+++ b/crypto/rsa/rsa_ossl.c
@@ -163,7 +163,8 @@ static BN_BLINDING *rsa_get_blinding(RSA *rsa, int *local, BN_CTX *ctx)
 {
     BN_BLINDING *ret;
 
-    CRYPTO_THREAD_write_lock(rsa->lock);
+    if (!CRYPTO_THREAD_write_lock(rsa->lock))
+        return NULL;
 
     if (rsa->blinding == NULL) {
         rsa->blinding = RSA_setup_blinding(rsa, ctx);