Commit 961366a0 authored Jul 19, 2018 by Eric W. Biederman

signal: Remove the siginfo paramater from kernel_dqueue_signal



None of the callers use the it so remove it.

Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>

parent b16503ba

drivers/usb/gadget/function/f_mass_storage.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -2311,7 +2311,7 @@ static void handle_exception(struct fsg_common *common)
	* into a high-priority EXIT exception.		* into a high-priority EXIT exception.
	*/		*/
	for (;;) {		for (;;) {
	int sig = kernel_dequeue_signal(NULL);		int sig = kernel_dequeue_signal();
	if (!sig)		if (!sig)
	break;		break;
	if (sig != SIGUSR1) {		if (sig != SIGUSR1) {

fs/jffs2/background.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -125,7 +125,7 @@ static int jffs2_garbage_collect_thread(void *_c)
	if (try_to_freeze())		if (try_to_freeze())
	goto again;		goto again;

	signr = kernel_dequeue_signal(NULL);		signr = kernel_dequeue_signal();

	switch(signr) {		switch(signr) {
	case SIGSTOP:		case SIGSTOP:

include/linux/sched/signal.h

+2 −2

Original line number	Original line	Diff line number	Diff line
	@@ -272,14 +272,14 @@ extern void ignore_signals(struct task_struct *);
	extern void flush_signal_handlers(struct task_struct *, int force_default);		extern void flush_signal_handlers(struct task_struct *, int force_default);
	extern int dequeue_signal(struct task_struct tsk, sigset_t mask, siginfo_t *info);		extern int dequeue_signal(struct task_struct tsk, sigset_t mask, siginfo_t *info);

	static inline int kernel_dequeue_signal(siginfo_t *info)		static inline int kernel_dequeue_signal(void)
	{		{
	struct task_struct *tsk = current;		struct task_struct *tsk = current;
	siginfo_t __info;		siginfo_t __info;
	int ret;		int ret;

	spin_lock_irq(&tsk->sighand->siglock);		spin_lock_irq(&tsk->sighand->siglock);
	ret = dequeue_signal(tsk, &tsk->blocked, info ?: &__info);		ret = dequeue_signal(tsk, &tsk->blocked, &__info);
	spin_unlock_irq(&tsk->sighand->siglock);		spin_unlock_irq(&tsk->sighand->siglock);

	return ret;		return ret;