staging: echo: remove unused variable
the variable j isn't used in the loop
Signed-off-by: Cong Ding <dinggnu@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/echo/echo.c b/drivers/staging/echo/echo.c
index ca87ce9..14dfd91 100644
--- a/drivers/staging/echo/echo.c
+++ b/drivers/staging/echo/echo.c
@@ -119,7 +119,6 @@
static inline void lms_adapt_bg(struct oslec_state *ec, int clean, int shift)
{
int i;
- int j;
int offset1;
int offset2;
int factor;
@@ -142,7 +141,7 @@
/* asm("st:"); */
n = ec->taps;
- for (i = 0, j = offset2; i < n; i++, j++) {
+ for (i = 0; i < n; i++) {
exp = *phist++ * factor;
ec->fir_taps16[1][i] += (int16_t) ((exp + (1 << 14)) >> 15);
}