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efi: never call qsort on potentially NULL arrays

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This commit is contained in:
Lennart Poettering 2013-10-02 19:38:09 +02:00
parent b857193b1d
commit 62678deda2
Notes: Lennart Poettering 2013-10-04 17:12:20 +02:00 
Backport: bugfix
1 changed files with 2 additions and 1 deletions
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3
src/shared/efivars.c
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@ -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;