audit: avoid -Wempty-body warning
gcc warns about an empty statement when audit_remove_mark is defined to nothing: kernel/auditfilter.c: In function 'audit_data_to_entry': kernel/auditfilter.c:609:51: error: suggest braces around empty body in an 'if' statement [-Werror=empty-body] 609 | audit_remove_mark(entry->rule.exe); /* that's the template one */ | ^ Change the macros to use the usual "do { } while (0)" instead, and change a few more that were (void)0, for consistency. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Richard Guy Briggs <rgb@redhat.com> Signed-off-by: Paul Moore <paul@paul-moore.com>
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@ -292,8 +292,8 @@ extern void audit_filter_inodes(struct task_struct *tsk,
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extern struct list_head *audit_killed_trees(void);
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#else /* CONFIG_AUDITSYSCALL */
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#define auditsc_get_stamp(c, t, s) 0
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#define audit_put_watch(w) {}
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#define audit_get_watch(w) {}
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#define audit_put_watch(w) do { } while (0)
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#define audit_get_watch(w) do { } while (0)
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#define audit_to_watch(k, p, l, o) (-EINVAL)
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#define audit_add_watch(k, l) (-EINVAL)
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#define audit_remove_watch_rule(k) BUG()
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@ -302,8 +302,8 @@ extern struct list_head *audit_killed_trees(void);
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#define audit_alloc_mark(k, p, l) (ERR_PTR(-EINVAL))
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#define audit_mark_path(m) ""
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#define audit_remove_mark(m)
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#define audit_remove_mark_rule(k)
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#define audit_remove_mark(m) do { } while (0)
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#define audit_remove_mark_rule(k) do { } while (0)
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#define audit_mark_compare(m, i, d) 0
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#define audit_exe_compare(t, m) (-EINVAL)
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#define audit_dupe_exe(n, o) (-EINVAL)
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@ -311,8 +311,8 @@ extern struct list_head *audit_killed_trees(void);
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#define audit_remove_tree_rule(rule) BUG()
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#define audit_add_tree_rule(rule) -EINVAL
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#define audit_make_tree(rule, str, op) -EINVAL
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#define audit_trim_trees() (void)0
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#define audit_put_tree(tree) (void)0
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#define audit_trim_trees() do { } while (0)
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#define audit_put_tree(tree) do { } while (0)
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#define audit_tag_tree(old, new) -EINVAL
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#define audit_tree_path(rule) "" /* never called */
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#define audit_kill_trees(context) BUG()
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