diff --git a/drivers/char/dsp56k.c b/drivers/char/dsp56k.c
index 01a5ca7425d737d991f8663c70aae9e0f0222014..8bf70e8c3f790635328fbd79ae75331701c4f1a0 100644
--- a/drivers/char/dsp56k.c
+++ b/drivers/char/dsp56k.c
@@ -383,7 +383,7 @@ static long dsp56k_ioctl(struct file *file, unsigned int cmd,
 			return put_user(status, &hf->status);
 		}
 		case DSP56K_HOST_CMD:
-			if (arg > 31 || arg < 0)
+			if (arg > 31)
 				return -EINVAL;
 			mutex_lock(&dsp56k_mutex);
 			dsp56k_host_interface.cvr = (u_char)((arg & DSP56K_CVR_HV_MASK) |