__guard_ptr - Linux

Symbol: __guard_ptr

include/linux/cleanup.h

__guard_ptr(_name)(&scope) || !__is_cond_ptr(_name); \

include/linux/cleanup.h

if (!__guard_ptr(_name)(&scope)) { \

include/linux/tty_port.h

#define scoped_tty() ((struct tty_struct *)(__guard_ptr(tty_port_tty)(&scope)))

kernel/irq/internals.h

#define scoped_irqdesc ((struct irq_desc *)(__guard_ptr(irqdesc_lock)(&scope)))