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Handle empty dir passed to grub_find_root_device_from_mountinfo; fixes grub-mkrelpath on btrfs subvolumes.

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Colin Watson 2011-02-04 13:33:16 +00:00
parent bd1a414714
commit 8c2c4ff2f5
1 changed files with 2 additions and 0 deletions
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2
grub-core/kern/emu/getroot.c
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@ -111,6 +111,8 @@ grub_find_root_device_from_mountinfo (const char *dir, char **relroot)
size_t len = 0;
char *ret = NULL;
if (! *dir)
dir = "/";
if (relroot)
*relroot = NULL;