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MokManager: fix the hash list counting in delete

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match_hash() requests the number of keys in a list and it was
mistakenly replaced with the size of the Mok node. This would
made MokManager to remove the whole Mok node instead of one
hash.

Signed-off-by: Gary Ching-Pang Lin <glin@suse.com>
This commit is contained in:
Gary Ching-Pang Lin 2015-06-16 11:41:32 -04:00 committed by Peter Jones
parent 607d370c2f
commit 38df5caad3
1 changed files with 6 additions and 2 deletions
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8
MokManager.c
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@ -1080,6 +1080,7 @@ static void delete_hash_in_list (UINT8 *hash, UINT32 hash_size,
{
EFI_GUID HashType = EFI_CERT_SHA256_GUID;
UINT32 sig_size;
UINT32 list_num;
int i, del_ind;
void *start, *end;
UINT32 remain;
@ -1091,8 +1092,10 @@ static void delete_hash_in_list (UINT8 *hash, UINT32 hash_size,
(mok[i].MokSize < sig_size))
continue;
list_num = mok[i].MokSize / sig_size;
del_ind = match_hash(hash, hash_size, 0, mok[i].Mok,
mok[i].MokSize);
list_num);
while (del_ind >= 0) {
/* Remove the hash */
if (sig_size == mok[i].MokSize) {
@ -1107,9 +1110,10 @@ static void delete_hash_in_list (UINT8 *hash, UINT32 hash_size,
mem_move(start, end, remain);
mok[i].MokSize -= sig_size;
list_num--;
del_ind = match_hash(hash, hash_size, del_ind,
mok[i].Mok, mok[i].MokSize);
mok[i].Mok, list_num);
}
}
}