From bea3787d6eff0e8842dd7ae277bf8b7adb828058 Mon Sep 17 00:00:00 2001
From: Noah Woo <68975706+namyoonw@users.noreply.github.com>
Date: Fri, 3 Jan 2025 18:59:13 +0000
Subject: [PATCH] [kernel][port] add a missing THREAD_UNLOCK call in
 port_group_remove()

port_group_remove() used to return without unlocking a thread if no
matching read port is found, which is not correct. This patch adds a
call to THREAD_UNLOCK before it returns ERR_BAD_HANDLE.
---
 kernel/port.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/kernel/port.c b/kernel/port.c
index 028cdbf83f..f5f07f6f42 100644
--- a/kernel/port.c
+++ b/kernel/port.c
@@ -351,8 +351,10 @@ status_t port_group_remove(port_t group, port_t port) {
         }
     }
 
-    if (!found)
+    if (!found) {
+        THREAD_UNLOCK(state);
         return ERR_BAD_HANDLE;
+    }
 
     list_delete(&rp->g_node);