Make use of the swap macro instead of _manually_ swapping values
and remove unnecessary variable tmp.

This makes the code easier to read and maintain.

This code was detected with the help of Coccinelle.

Signed-off-by: Gustavo A. R. Silva <garsi...@embeddedor.com>
---
 drivers/staging/speakup/selection.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/speakup/selection.c 
b/drivers/staging/speakup/selection.c
index 66061b5..0ed1fef 100644
--- a/drivers/staging/speakup/selection.c
+++ b/drivers/staging/speakup/selection.c
@@ -64,13 +64,8 @@ int speakup_set_selection(struct tty_struct *tty)
        ps = spk_ys * vc->vc_size_row + (spk_xs << 1);
        pe = spk_ye * vc->vc_size_row + (spk_xe << 1);
 
-       if (ps > pe) {
-               /* make sel_start <= sel_end */
-               int tmp = ps;
-
-               ps = pe;
-               pe = tmp;
-       }
+       if (ps > pe)    /* make sel_start <= sel_end */
+               swap(ps, pe);
 
        if (spk_sel_cons != vc_cons[fg_console].d) {
                speakup_clear_selection();
-- 
2.7.4

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