From 220bb4661aa99e67d4bc1d77001a5d2025cc0e10 Mon Sep 17 00:00:00 2001
From: Florian Pose <fp@igh.de>
Date: Thu, 6 Jun 2024 14:24:56 +0200
Subject: [PATCH] Enable -Wmaybe-uninitialised; Fixed uninitialized kfree().

---
 master/Kbuild.in | 4 +++-
 master/ioctl.c   | 3 ---
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/master/Kbuild.in b/master/Kbuild.in
index 642ea1ff..afba2202 100644
--- a/master/Kbuild.in
+++ b/master/Kbuild.in
@@ -1,6 +1,6 @@
 #-----------------------------------------------------------------------------
 #
-#  Copyright (C) 2006-2012  Florian Pose, Ingenieurgemeinschaft IgH
+#  Copyright (C) 2006-2024  Florian Pose, Ingenieurgemeinschaft IgH
 #
 #  This file is part of the IgH EtherCAT Master.
 #
@@ -107,4 +107,6 @@ REV := $(shell if test -s $(src)/../revision; then \
 
 CFLAGS_module.o := -DREV=$(REV)
 
+KBUILD_CFLAGS += -Wmaybe-uninitialized
+
 #-----------------------------------------------------------------------------
diff --git a/master/ioctl.c b/master/ioctl.c
index ceceb83d..84c4bd67 100644
--- a/master/ioctl.c
+++ b/master/ioctl.c
@@ -3386,7 +3386,6 @@ static ATTRIBUTES int ec_ioctl_sc_ip(
 {
     ec_ioctl_eoe_ip_t io;
     ec_slave_config_t *sc;
-    uint8_t *key;
 
     if (unlikely(!ctx->requested)) {
         return -EPERM;
@@ -3397,13 +3396,11 @@ static ATTRIBUTES int ec_ioctl_sc_ip(
     }
 
     if (down_interruptible(&master->master_sem)) {
-        kfree(key);
         return -EINTR;
     }
 
     if (!(sc = ec_master_get_config(master, io.config_index))) {
         up(&master->master_sem);
-        kfree(key);
         return -ENOENT;
     }