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>
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@ -2035,10 +2035,8 @@ static ssize_t smk_write_revoke_subj(struct file *file, const char __user *buf,
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}
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}
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skp = smk_find_entry(cp);
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skp = smk_find_entry(cp);
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if (skp == NULL) {
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if (skp == NULL)
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rc = -EINVAL;
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goto free_out;
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goto free_out;
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}
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rule_list = &skp->smk_rules;
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rule_list = &skp->smk_rules;
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rule_lock = &skp->smk_rules_lock;
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rule_lock = &skp->smk_rules_lock;
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