From 6d8610d63ecb8e53e14486533a580ea4f37c644c Mon Sep 17 00:00:00 2001
From: Aleksander Morgado <aleksander@aleksander.es>
Date: Sun, 14 Feb 2021 10:46:49 +0100
Subject: libmm-glib,common-helpers: ishexstr() fails on empty input string

---
 libmm-glib/mm-common-helpers.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'libmm-glib/mm-common-helpers.c')

diff --git a/libmm-glib/mm-common-helpers.c b/libmm-glib/mm-common-helpers.c
index 30f9f94f..0245fd52 100644
--- a/libmm-glib/mm-common-helpers.c
+++ b/libmm-glib/mm-common-helpers.c
@@ -1738,9 +1738,9 @@ mm_utils_ishexstr (const gchar *hex)
     gsize len;
     gsize i;
 
-    /* Length not multiple of 2? */
+    /* Empty string or length not multiple of 2? */
     len = strlen (hex);
-    if (len % 2 != 0)
+    if (len == 0 || (len % 2) != 0)
         return FALSE;
 
     for (i = 0; i < len; i++) {
-- 
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