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authorJiri Slaby <jirislaby@kernel.org>2023-07-31 10:02:44 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-07-31 17:16:05 +0200
commit9b5752d1a882c96c0319aebe55bbfe9ad0c9aa30 (patch)
treed80961554efa954292cb179b33ece1a73445b131 /drivers/misc
parentmisc: ti-st: remove ptr from recv functions (diff)
downloadlinux-9b5752d1a882c96c0319aebe55bbfe9ad0c9aa30.tar.xz
linux-9b5752d1a882c96c0319aebe55bbfe9ad0c9aa30.zip
misc: ti-st: don't check for tty data == NULL
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>
Diffstat (limited to 'drivers/misc')
-rw-r--r--drivers/misc/ti-st/st_core.c3
-rw-r--r--drivers/misc/ti-st/st_kim.c5
2 files changed, 1 insertions, 7 deletions
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);