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misc: ti-st: don't check for tty data == NULL

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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>
Link: https://lore.kernel.org/r/20230731080244.2698-11-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Slaby 2023-07-31 10:02:44 +02:00 committed by Greg Kroah-Hartman
parent a60b301760
commit 9b5752d1a8
2 changed files with 1 additions and 7 deletions
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3
drivers/misc/ti-st/st_core.c
View File

@ -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;
}

5
drivers/misc/ti-st/st_kim.c
View File

@ -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);