1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/isdn/hisax/hscx_irq.c b/drivers/isdn/hisax/hscx_irq.c
index 7b1ad5e4ecda..2387d76c721a 100644
--- a/drivers/isdn/hisax/hscx_irq.c
+++ b/drivers/isdn/hisax/hscx_irq.c
@@ -32,7 +32,7 @@ waitforXFW(struct IsdnCardState *cs, int hscx)
 {
         int to = 50;
 
-        while ((!(READHSCX(cs, hscx, HSCX_STAR) & 0x44) == 0x40) && to) {
+        while (((READHSCX(cs, hscx, HSCX_STAR) & 0x44) != 0x40) && to) {
                 udelay(1);
                 to--;
         }