[PATCH] Drivers: tty: serial: jsm_tty: fixed redundant variable issue.

From: Jakob Ãstergaard Jensen
Date: Wed Jan 13 2016 - 08:24:33 EST


Fixes unnecessary variable reassignment to a new redundant variable.

Signed-off-by: Jakob Ãstergaard Jensen <jakob.jensen.91@xxxxxxxxx>
---
drivers/tty/serial/jsm/jsm_tty.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/tty/serial/jsm/jsm_tty.c b/drivers/tty/serial/jsm/jsm_tty.c
index 524e86a..8ac669b 100644
--- a/drivers/tty/serial/jsm/jsm_tty.c
+++ b/drivers/tty/serial/jsm/jsm_tty.c
@@ -529,7 +529,6 @@ void jsm_input(struct jsm_channel *ch)
int data_len;
unsigned long lock_flags;
int len = 0;
- int n = 0;
int s = 0;
int i = 0;

@@ -598,16 +597,15 @@ void jsm_input(struct jsm_channel *ch)
jsm_dbg(READ, &ch->ch_bd->pci_dev, "start 2\n");

len = tty_buffer_request_room(port, data_len);
- n = len;

/*
* n now contains the most amount of data we can copy,
* bounded either by the flip buffer size or the amount
* of data the card actually has pending...
*/
- while (n) {
+ while (len) {
s = ((head >= tail) ? head : RQUEUESIZE) - tail;
- s = min(s, n);
+ s = min(s, len);

if (s <= 0)
break;
@@ -638,7 +636,7 @@ void jsm_input(struct jsm_channel *ch)
tty_insert_flip_string(port, ch->ch_rqueue + tail, s);
}
tail += s;
- n -= s;
+ len -= s;
/* Flip queue if needed */
tail &= rmask;
}
--
2.5.0