Raise an error on syscall failure in tls_retry_write_records

[openssl.git] / crypto / bn / bn_div.c

diff --git a/crypto/bn/bn_div.c b/crypto/bn/bn_div.c
index 25514c05f11137afcf2f46ccd332ee61bac9eceb..ff66baa48f226868b45e97b4b47194cde1e422ce 100644 (file)
--- a/crypto/bn/bn_div.c
+++ b/crypto/bn/bn_div.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2022 The OpenSSL Project Authors. All Rights Reserved.
  *
  * Licensed under the Apache License 2.0 (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
@@ -446,8 +446,10 @@ int bn_div_fixed_top(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num,
     snum->neg = num_neg;
     snum->top = div_n;
     snum->flags |= BN_FLG_FIXED_TOP;
-    if (rm != NULL)
-        bn_rshift_fixed_top(rm, snum, norm_shift);
+
+    if (rm != NULL && bn_rshift_fixed_top(rm, snum, norm_shift) == 0)
+        goto err;
+
     BN_CTX_end(ctx);
     return 1;
  err: