From: Heiko Carstens <hca@linux.ibm.com>
Date: Thu, 7 Nov 2024 16:18:44 +0000 (+0100)
Subject: s390/con3270: Use NULL instead of 0 for pointers
X-Git-Tag: v6.13-rc1~206^2~40
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=97b5cf629459094bf3a882c567db2c293e0975bd;p=thirdparty%2Fkernel%2Flinux.git

s390/con3270: Use NULL instead of 0 for pointers

Get rid of sparse warnings:
CHECK   drivers/s390/char/con3270.c
  drivers/s390/char/con3270.c:531:15: warning: Using plain integer as NULL pointer
  drivers/s390/char/con3270.c:749:15: warning: Using plain integer as NULL pointer

Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
---

diff --git a/drivers/s390/char/con3270.c b/drivers/s390/char/con3270.c
index 053102d0fcd2e..ae1b9aa3a2b51 100644
--- a/drivers/s390/char/con3270.c
+++ b/drivers/s390/char/con3270.c
@@ -528,7 +528,7 @@ static void tty3270_update(struct timer_list *t)
 	u8 cmd = TC_WRITE;
 	int rc, len;
 
-	wrq = xchg(&tp->write, 0);
+	wrq = xchg(&tp->write, NULL);
 	if (!wrq) {
 		tty3270_set_timer(tp, 1);
 		return;
@@ -746,7 +746,7 @@ static void tty3270_issue_read(struct tty3270 *tp, int lock)
 	struct raw3270_request *rrq;
 	int rc;
 
-	rrq = xchg(&tp->read, 0);
+	rrq = xchg(&tp->read, NULL);
 	if (!rrq)
 		/* Read already scheduled. */
 		return;