Commit d15d9fad authored Nov 27, 2012 by Rafal Krypa Committed by Casey Schaufler Mar 19, 2013

Smack: prevent revoke-subject from failing when unseen label is written to it

Special file /smack/revoke-subject will silently accept labels that are not
present on the subject label list. Nothing has to be done for such labels,
as there are no rules for them to revoke.

Targeted for git://git.gitorious.org/smack-next/kernel.git



Signed-off-by: Rafal Krypa <r.krypa@samsung.com>

parent 921f3ac4

security/smack/smackfs.c

+1 −3

Original line number	Diff line number	Diff line
		@@ -2035,10 +2035,8 @@ static ssize_t smk_write_revoke_subj(struct file file, const char __user buf,
		}

		skp = smk_find_entry(cp);
		if (skp == NULL) {
		rc = -EINVAL;
		if (skp == NULL)
		goto free_out;
		}

		rule_list = &skp->smk_rules;
		rule_lock = &skp->smk_rules_lock;