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tomoyo: cleanup. don't store bogus pointer

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If domain is NULL then &domain->list is a bogus address.  Let's leave
head->r.domain NULL instead of saving an unusable pointer.

This is just a cleanup.  The current code always checks head->r.eof
before dereferencing head->r.domain.

Signed-off-by: Dan Carpenter <[email protected]>
Acked-by: Tetsuo Handa <[email protected]>
This commit is contained in:
Dan Carpenter 2010-08-08 00:17:51 +02:00 • committed by James Morris
commit 68eda8f590
1 changed files with 4 additions and 2 deletions
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6
security/tomoyo/common.c
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@ -768,8 +768,10 @@ static bool tomoyo_select_one(struct tomoyo_io_buffer *head, const char *data)
return true; /* Do nothing if open(O_WRONLY). */
memset(&head->r, 0, sizeof(head->r));
head->r.print_this_domain_only = true;
head->r.eof = !domain;
head->r.domain = &domain->list;
if (domain)
head->r.domain = &domain->list;
else
head->r.eof = 1;
tomoyo_io_printf(head, "# select %s\n", data);
if (domain && domain->is_deleted)
tomoyo_io_printf(head, "# This is a deleted domain.\n");