* [PATCH] tty: serial: jsm_tty: fixed redundant variable issue.
@ 2016-02-05 13:22 Jakob Østergaard Jensen
0 siblings, 0 replies; only message in thread
From: Jakob Østergaard Jensen @ 2016-02-05 13:22 UTC (permalink / raw)
To: cascardo, gregkh, jslaby
Cc: linux-serial, linux-kernel, kernel-janitors,
Jakob Østergaard Jensen
Fixes unnecessary variable reassignment to a new redundant variable.
Signed-off-by: Jakob Østergaard Jensen <jakob.jensen.91@gmail.com>
---
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
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