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

[Jakob Østergaard Jensen]

Fixes unnecessary variable reassignment to a new redundant variable.

Signed-off-by: Jakob Østergaard Jensen <jakob.jensen...@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