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-rw-r--r--crypto/evp/bio_b64.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/crypto/evp/bio_b64.c b/crypto/evp/bio_b64.c
index 9067848578..32a884a711 100644
--- a/crypto/evp/bio_b64.c
+++ b/crypto/evp/bio_b64.c
@@ -403,9 +403,10 @@ static int b64_write(BIO *b, const char *in, int inl)
ret += n;
}
} else {
- EVP_EncodeUpdate(ctx->base64,
- (unsigned char *)ctx->buf, &ctx->buf_len,
- (unsigned char *)in, n);
+ if (!EVP_EncodeUpdate(ctx->base64,
+ (unsigned char *)ctx->buf, &ctx->buf_len,
+ (unsigned char *)in, n))
+ return ((ret == 0) ? -1 : ret);
OPENSSL_assert(ctx->buf_len <= (int)sizeof(ctx->buf));
OPENSSL_assert(ctx->buf_len >= ctx->buf_off);
ret += n;