Commit 7534d131 authored by Bodo Möller's avatar Bodo Möller
Browse files

avoid potential spurious BN_free() 

Submitted by: David Heine <dlheine@suif.Stanford.EDU>
parent 7f3c9036

crypto/bn/bn_sqrt.c

+4 −2
Original line number Diff line number Diff line
@@ -83,6 +83,7 @@ BIGNUM *BN_mod_sqrt(BIGNUM *in, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx) 
				goto end;

			if (!BN_set_word(ret, BN_is_bit_set(a, 0)))

				{

				if (ret != in)

					BN_free(ret);

				return NULL;

				}
@@ -102,6 +103,7 @@ BIGNUM *BN_mod_sqrt(BIGNUM *in, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx) 
			goto end;

		if (!BN_set_word(ret, BN_is_one(a)))

			{

			if (ret != in)

				BN_free(ret);

			return NULL;

			}