From 168b504bc1d2c4df352bd5bf5e6853aff0d229c9 Mon Sep 17 00:00:00 2001 From: Colin Ian King Date: Mon, 7 Mar 2022 15:30:47 +0000 Subject: [PATCH] tty: serial: jsm: remove redundant assignments to variable linestatus 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 Link: https://lore.kernel.org/r/20220307153047.139639-1-colin.i.king@gmail.com Signed-off-by: Greg Kroah-Hartman --- 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 */