From 9b3ca29df01c03b551729d05fc51b5911907acee Mon Sep 17 00:00:00 2001
From: Andri Yngvason <andri@yngvason.is>
Date: Sun, 15 Jan 2023 17:49:33 +0000
Subject: [PATCH] ctl-server: Fix segfault in error path

This would segfault e.g. if issuing:
$ waynvcctl client-disconnect # without argument
---
 src/ctl-server.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/ctl-server.c b/src/ctl-server.c
index b511bc5..5607906 100644
--- a/src/ctl-server.c
+++ b/src/ctl-server.c
@@ -202,7 +202,6 @@ static struct cmd* parse_command(struct jsonipc_request* ipc,
 	case CMD_OUTPUT_LIST:
 	case CMD_OUTPUT_CYCLE:
 	case CMD_WAYVNC_EXIT:
-		cmd = calloc(1, sizeof(*cmd));
 		break;
 	case CMD_UNKNOWN:
 		jsonipc_error_set_new(err, ENOENT,
@@ -211,9 +210,10 @@ static struct cmd* parse_command(struct jsonipc_request* ipc,
 					jprintf("Unknown command \"%s\"",
 						ipc->method),
 					"commands", list_allowed_commands()));
-		return NULL;
+		break;
 	}
-	cmd->type = cmd_type;
+	if (cmd)
+		cmd->type = cmd_type;
 	return cmd;
 }