efi: mokvar-table: fix some issues in new code

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Fix a couple of issues in the new mokvar-table handling code, as
pointed out by Arvind and Boris:
- don't bother checking the end of the physical region against the start
  address of the mokvar table,
- ensure that we enter the loop with err = -EINVAL,
- replace size_t with unsigned long to appease pedantic type equality
  checks.

Reviewed-by: Arvind Sankar <nivedita@alum.mit.edu>
Reviewed-by: Lenny Szubowicz <lszubowi@redhat.com>
Tested-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>

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Ard Biesheuvel 2020-09-24 17:58:22 +02:00

parent 612b5d506d

commit b89114cd01

1 changed files with 11 additions and 14 deletions

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drivers/firmware/efi/mokvar-table.c

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