* [PATCH] tty: synclink: remove unneeded test
@ 2016-04-06 10:44 Sudip Mukherjee
0 siblings, 0 replies; only message in thread
From: Sudip Mukherjee @ 2016-04-06 10:44 UTC (permalink / raw)
To: Greg Kroah-Hartman, Jiri Slaby; +Cc: linux-kernel, Sudip Mukherjee
We reach this point of code after a test of 'info->port.tty->hw_stopped',
we do not need to test for 'info->port.tty' as it is obvious that
info->port.tty is not NULL now, we have already dereferenced it.
Signed-off-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
---
drivers/tty/synclink.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/tty/synclink.c b/drivers/tty/synclink.c
index f5476e2..de372f5 100644
--- a/drivers/tty/synclink.c
+++ b/drivers/tty/synclink.c
@@ -1361,8 +1361,7 @@ static void mgsl_isr_io_pin( struct mgsl_struct *info )
if (status & MISCSTATUS_CTS) {
if ( debug_level >= DEBUG_LEVEL_ISR )
printk("CTS tx start...");
- if (info->port.tty)
- info->port.tty->hw_stopped = 0;
+ info->port.tty->hw_stopped = 0;
usc_start_transmitter(info);
info->pending_bh |= BH_TRANSMIT;
return;
--
2.1.4
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