From: Bastian Dehn <hhaalo@arcor.de>
Date: Wed, 15 Jan 2025 20:43:57 +0000 (+0100)
Subject: fix busy device handle null
X-Git-Tag: v1.0.27^2~5
X-Git-Url: https://gitweb.hhaalo.de/?a=commitdiff_plain;h=612955be3c3784be2eb0c09f52289607dc4c6842;p=sane-kds-s2000w-net.git

fix busy device handle null
---

diff --git a/src/kds_s2000w_net.c b/src/kds_s2000w_net.c
index dfdd869..43d0f11 100644
--- a/src/kds_s2000w_net.c
+++ b/src/kds_s2000w_net.c
@@ -59,12 +59,14 @@ SANE_Status _sane_kds_s2000w_net_open(SANE_String_Const devicename,
 	if (h->state == NOTCONNECTED) {
 		free_handler(h);
 		h = NULL;
+		*handle = NULL;
 		return SANE_STATUS_IO_ERROR;
 	}
 
 	if (h->state == BUSY) {
 		free_handler(h);
 		h = NULL;
+		*handle = NULL;
 		return SANE_STATUS_DEVICE_BUSY;
 	}
 
@@ -77,7 +79,7 @@ void _sane_kds_s2000w_net_close(SANE_Handle handle)
 	debug_printf(ALL, "sane_kds_s2000w_net_close");
 
 	handler* h = (handler*) handle;
-	if (h->state != OPENED)
+	if (h == NULL || h->state != OPENED)
 		return;
 
 	kds_s2000w_option_descriptor_free_option_descriptors();