From: Lennart Poettering <lennart@poettering.net>
Date: Wed, 2 Oct 2013 17:38:09 +0000 (+0200)
Subject: efi: never call qsort on potentially NULL arrays
X-Git-Tag: v209~1987
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=62678ded;hp=b857193b1def5172e3641ca1d5bc9e08ae81aac4;p=elogind.git

efi: never call qsort on potentially NULL arrays
---

diff --git a/src/shared/efivars.c b/src/shared/efivars.c
index 1d5b6f9e7..c015b1685 100644
--- a/src/shared/efivars.c
+++ b/src/shared/efivars.c
@@ -384,7 +384,8 @@ int efi_get_boot_options(uint16_t **options) {
                 list[count ++] = id;
         }
 
-        qsort(list, count, sizeof(uint16_t), cmp_uint16);
+        if (list)
+                qsort(list, count, sizeof(uint16_t), cmp_uint16);
 
         *options = list;
         return count;