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* grub-core/fs/cbfs.c: Don't probe disks of unknow size.

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Fixes hang on virtualbox.
This commit is contained in:
Vladimir Serbinenko 2014-08-10 09:50:36 +02:00
parent 0901e7855f
commit 33f6ce671f
2 changed files with 7 additions and 0 deletions
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3
grub-core/fs/cbfs.c
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@ -149,6 +149,9 @@ grub_cbfs_mount (grub_disk_t disk)
grub_off_t header_off;
struct cbfs_header head;
if (grub_disk_get_size (disk) == GRUB_DISK_SIZE_UNKNOWN)
goto fail;
if (grub_disk_read (disk, grub_disk_get_size (disk) - 1,
GRUB_DISK_SECTOR_SIZE - sizeof (ptr),
sizeof (ptr), &ptr))