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| author | Matt Fleming <matt.fleming@intel.com> | 2012-11-09 21:02:56 (GMT) |
|---|---|---|
| committer | Matt Fleming <matt.fleming@intel.com> | 2012-11-13 12:33:21 (GMT) |
| commit | 89d16665d388837b30972081d97b814be26d68a2 (patch) | |
| tree | 0fd95e1e9d6886c27e7d9b7eed7464cd2e22988d /include | |
| parent | cfcf2f11708f934d2bd294f973c2fcb0cc54f293 (diff) | |
| download | linux-fsl-qoriq-89d16665d388837b30972081d97b814be26d68a2.tar.xz | |
efivarfs: Use query_variable_info() to limit kmalloc()
We don't want someone who can write EFI variables to be able to
allocate arbitrarily large amounts of memory, so cap it to something
sensible like the amount of free space for EFI variables.
Acked-by: Jeremy Kerr <jeremy.kerr@canonical.com>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/efi.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/efi.h b/include/linux/efi.h index 5e2308d..f80079c 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -646,6 +646,7 @@ struct efivar_operations { efi_get_variable_t *get_variable; efi_get_next_variable_t *get_next_variable; efi_set_variable_t *set_variable; + efi_query_variable_info_t *query_variable_info; }; struct efivars { |