staging: sm750fb: Removes unused variable from sm750_hw_copyarea

Removes unused variable opSign from sm750_hw_copyarea. Identified
using coccinelle script 'unused.cocci'.

Signed-off-by: Tahia Khan <tahia.khan@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/sm750fb/sm750_accel.c b/drivers/staging/sm750fb/sm750_accel.c
index 6db9b90..6be86e4 100644 (file)
--- a/drivers/staging/sm750fb/sm750_accel.c
+++ b/drivers/staging/sm750fb/sm750_accel.c
@@ -144,11 +144,9 @@ unsigned int height, /* width and height of rectangle in pixel value */
 unsigned int rop2)   /* ROP value */
 {
        unsigned int nDirection, de_ctrl;
-       int opSign;
 
        nDirection = LEFT_TO_RIGHT;
        /* Direction of ROP2 operation: 1 = Left to Right, (-1) = Right to Left */
-       opSign = 1;
        de_ctrl = 0;
 
        /* If source and destination are the same surface, need to check for overlay cases */
@@ -212,7 +210,6 @@ unsigned int rop2)   /* ROP value */
                sy += height - 1;
                dx += width - 1;
                dy += height - 1;
-               opSign = -1;
        }
 
        /*