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Subject[PATCH] tty: serial: jsm: remove redundant assignments to variable linestatus
Date
Variable linestatus is being assigned values that are never read, the
assignments are redundant and can be removed.

Cleans up clang scan warnings:
drivers/tty/serial/jsm/jsm_cls.c:369:2: warning: Value stored to
'linestatus' is never read [deadcode.DeadStores]
drivers/tty/serial/jsm/jsm_cls.c:400:4: warning: Value stored to
'linestatus' is never read [deadcode.DeadStores]

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
---
drivers/tty/serial/jsm/jsm_cls.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/tty/serial/jsm/jsm_cls.c b/drivers/tty/serial/jsm/jsm_cls.c
index b280da50290c..444f233ebd1f 100644
--- a/drivers/tty/serial/jsm/jsm_cls.c
+++ b/drivers/tty/serial/jsm/jsm_cls.c
@@ -350,7 +350,7 @@ static void cls_assert_modem_signals(struct jsm_channel *ch)
static void cls_copy_data_from_uart_to_queue(struct jsm_channel *ch)
{
int qleft = 0;
- u8 linestatus = 0;
+ u8 linestatus;
u8 error_mask = 0;
u16 head;
u16 tail;
@@ -365,8 +365,6 @@ static void cls_copy_data_from_uart_to_queue(struct jsm_channel *ch)
head = ch->ch_r_head & RQUEUEMASK;
tail = ch->ch_r_tail & RQUEUEMASK;

- /* Get our cached LSR */
- linestatus = ch->ch_cached_lsr;
ch->ch_cached_lsr = 0;

/* Store how much space we have left in the queue */
--
2.35.1
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