From: Dragos Oancea <dragos@signalwire.com>
Date: Fri, 31 Jan 2020 23:43:37 +0000 (+0000)
Subject: [core] scan-build: Dereference of null pointer (loaded from variable 'txt') - switch_... 
X-Git-Tag: v1.10.3^2~205^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=refs%2Fpull%2F303%2Fhead;p=thirdparty%2Ffreeswitch.git

[core] scan-build: Dereference of null pointer (loaded from variable 'txt') - switch_img_write_text_img()
---

diff --git a/src/switch_core_video.c b/src/switch_core_video.c
index 5f6d4902ef..f7352bb0f9 100644
--- a/src/switch_core_video.c
+++ b/src/switch_core_video.c
@@ -2139,6 +2139,10 @@ SWITCH_DECLARE(switch_image_t *) switch_img_write_text_img(int w, int h, switch_
 	switch_image_t *txtimg = NULL;
 	int x = 0, y = 0;
 
+	if (!duptxt) {
+		return NULL;
+	}
+
 	if (strchr(text, ':')) {
 		argc = switch_split(duptxt, ':', argv);