From c9660fee889e0dd5fbe1b73bed07532ef3652002 Mon Sep 17 00:00:00 2001
From: Stefan Berger <stefanb@linux.ibm.com>
Date: Wed, 25 May 2022 15:19:19 -0400
Subject: [PATCH] swtpm_ioctl: Free variable before parsing it to avoid memory
 leak (Coverity)

Avoid a memory leaks if --tcp is provided multiple times by freeing
the previously allocated memory in the tcp_hostname variable.

Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
---
 src/swtpm_ioctl/tpm_ioctl.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/swtpm_ioctl/tpm_ioctl.c b/src/swtpm_ioctl/tpm_ioctl.c
index 16c668b..9c26add 100644
--- a/src/swtpm_ioctl/tpm_ioctl.c
+++ b/src/swtpm_ioctl/tpm_ioctl.c
@@ -967,6 +967,7 @@ int main(int argc, char *argv[])
             tpm_device = optarg;
             break;
         case 'T':
+            free(tcp_hostname);
             if (parse_tcp_optarg(optarg, &tcp_hostname, &tcp_port) < 0)
                 return EXIT_FAILURE;
             break;