diff mbox series

[10/10] misc: ti-st: don't check for tty data == NULL

Message ID 20230731080244.2698-11-jirislaby@kernel.org
State New
Headers show
Series [01/10] serial: move WARN_ON() in uart_write() to the condition | expand

Commit Message

Jiri Slaby (SUSE) July 31, 2023, 8:02 a.m. UTC 
tty data passed to tty_ldisc_ops::receive_buf() are never NULL. Remove
this check.

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
---
 drivers/misc/ti-st/st_core.c | 3 +--
 drivers/misc/ti-st/st_kim.c  | 5 -----
 2 files changed, 1 insertion(+), 7 deletions(-)
diff mbox series

Patch

diff --git a/drivers/misc/ti-st/st_core.c b/drivers/misc/ti-st/st_core.c
index e2add50b191c..3b2145722bd7 100644
--- a/drivers/misc/ti-st/st_core.c
+++ b/drivers/misc/ti-st/st_core.c
@@ -234,8 +234,7 @@  static void st_int_recv(void *disc_data,
 	struct st_data_s *st_gdata = (struct st_data_s *)disc_data;
 	unsigned long flags;
 
-	/* tty_receive sent null ? */
-	if (unlikely(ptr == NULL) || (st_gdata == NULL)) {
+	if (st_gdata == NULL) {
 		pr_err(" received null from TTY ");
 		return;
 	}
diff --git a/drivers/misc/ti-st/st_kim.c b/drivers/misc/ti-st/st_kim.c
index 8c801897ffa2..5431a89924aa 100644
--- a/drivers/misc/ti-st/st_kim.c
+++ b/drivers/misc/ti-st/st_kim.c
@@ -135,11 +135,6 @@  static void kim_int_recv(struct kim_data_s *kim_gdata,
 
 	pr_debug("%s", __func__);
 	/* Decode received bytes here */
-	if (unlikely(ptr == NULL)) {
-		pr_err(" received null from TTY ");
-		return;
-	}
-
 	while (count) {
 		if (kim_gdata->rx_count) {
 			len = min_t(unsigned int, kim_gdata->rx_count, count);