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| author | Dan Carpenter <error27@gmail.com> | 2010-08-08 00:17:51 +0200 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2010-10-21 10:12:32 +1100 |
| commit | 68eda8f59081c74a51d037cc29893bd7c9b3c2d8 (patch) | |
| tree | 5970a384719568f6f36ee07efe72adb8cfab39f1 | |
| parent | f6f94e2ab1b33f0082ac22d71f66385a60d8157f (diff) | |
| download | lwn-68eda8f59081c74a51d037cc29893bd7c9b3c2d8.tar.gz lwn-68eda8f59081c74a51d037cc29893bd7c9b3c2d8.zip | |
tomoyo: cleanup. don't store bogus pointer
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 <error27@gmail.com>
Acked-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
| -rw-r--r-- | security/tomoyo/common.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/security/tomoyo/common.c b/security/tomoyo/common.c index c668b447c725..e0a1059aaf3a 100644 --- a/security/tomoyo/common.c +++ b/security/tomoyo/common.c @@ -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"); |