From 3a76eccf16eea39cc1f7e256bd5e151573fa72ef Mon Sep 17 00:00:00 2001
From: akallabeth <akallabeth@posteo.net>
Date: Thu, 11 Apr 2024 13:01:46 +0200
Subject: [PATCH] [coverity] 1543171 Resource leak

---
 winpr/libwinpr/sspi/NTLM/ntlm.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/winpr/libwinpr/sspi/NTLM/ntlm.c b/winpr/libwinpr/sspi/NTLM/ntlm.c
index e23c82d9d..bc16a40e4 100644
--- a/winpr/libwinpr/sspi/NTLM/ntlm.c
+++ b/winpr/libwinpr/sspi/NTLM/ntlm.c
@@ -1255,7 +1255,10 @@ static SECURITY_STATUS SEC_ENTRY ntlm_MakeSignature(PCtxtHandle phContext, ULONG
 	WINPR_HMAC_CTX* hmac = winpr_HMAC_New();
 
 	if (!winpr_HMAC_Init(hmac, WINPR_MD_MD5, context->SendSigningKey, WINPR_MD5_DIGEST_LENGTH))
+	{
+		winpr_HMAC_Free(hmac);
 		return SEC_E_INTERNAL_ERROR;
+	}
 
 	Data_Write_UINT32(&seq_no, MessageSeqNo);
 	winpr_HMAC_Update(hmac, (BYTE*)&seq_no, 4);