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Building with 'make W=1' shows a warning for an empty macro: security/apparmor/label.c: In function '__label_update': security/apparmor/label.c:2096:59: error: suggest braces around empty body in an 'else' statement [-Werror=empty-body] 2096 | AA_BUG(labels_ns(label) != labels_ns(new)); Change the macro definition to use no_printk(), which improves format string checking and avoids the warning. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: John Johansen <john.johansen@canonical.com>