Commit fc21ed8f authored by Haowen Bai's avatar Haowen Bai Committed by Michael Ellerman
Browse files

macintosh/macio-adb: Fix warning comparing pointer to 0 



Avoid pointer type value compared with 0 to make code clear.

Signed-off-by: default avatarHaowen Bai <baihaowen@meizu.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/1647509089-4280-1-git-send-email-baihaowen@meizu.com
parent a823307b

drivers/macintosh/macio-adb.c

+4 −3
Original line number Diff line number Diff line
@@ -100,7 +100,7 @@ int macio_init(void) 
	unsigned int irq;



	adbs = of_find_compatible_node(NULL, "adb", "chrp,adb0");

	if (adbs == 0)

	if (!adbs)

		return -ENXIO;



	if (of_address_to_resource(adbs, 0, &r)) {
@@ -183,7 +183,7 @@ static int macio_send_request(struct adb_request *req, int sync) 
	req->reply_len = 0;



	spin_lock_irqsave(&macio_lock, flags);

	if (current_req != 0) {

	if (current_req) {

		last_req->next = req;

		last_req = req;

	} else {
@@ -213,7 +213,8 @@ static irqreturn_t macio_adb_interrupt(int irq, void *arg) 
	spin_lock(&macio_lock);

	if (in_8(&adb->intr.r) & TAG) {

		handled = 1;

		if ((req = current_req) != 0) {

		req = current_req;

		if (req) {

			/* put the current request in */

			for (i = 0; i < req->nbytes; ++i)

				out_8(&adb->data[i].r, req->data[i]);