Merge branch 'master'

1 files changed, 9 insertions, 18 deletions

diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c
index b37ef1f06b3..8c404b4e248 100644
--- a/drivers/isdn/i4l/isdn_tty.c
+++ b/drivers/isdn/i4l/isdn_tty.c
@@ -712,22 +712,14 @@ isdn_tty_modem_hup(modem_info * info, int local)
 #endif
 	info->emu.vpar[4] = 0;
 	info->emu.vpar[5] = 8;
-	if (info->dtmf_state) {
-		kfree(info->dtmf_state);
-		info->dtmf_state = NULL;
-	}
-	if (info->silence_state) {
-		kfree(info->silence_state);
-		info->silence_state = NULL;
-	}
-	if (info->adpcms) {
-		kfree(info->adpcms);
-		info->adpcms = NULL;
-	}
-	if (info->adpcmr) {
-		kfree(info->adpcmr);
-		info->adpcmr = NULL;
-	}
+	kfree(info->dtmf_state);
+	info->dtmf_state = NULL;
+	kfree(info->silence_state);
+	info->silence_state = NULL;
+	kfree(info->adpcms);
+	info->adpcms = NULL;
+	kfree(info->adpcmr);
+	info->adpcmr = NULL;
 #endif
 	if ((info->msr & UART_MSR_RI) &&
 		(info->emu.mdmreg[REG_RUNG] & BIT_RUNG))
@@ -1721,8 +1713,7 @@ isdn_tty_close(struct tty_struct *tty, struct file *filp)
 		 */
 		timeout = jiffies + HZ;
 		while (!(info->lsr & UART_LSR_TEMT)) {
-			set_current_state(TASK_INTERRUPTIBLE);
-			schedule_timeout(20);
+			schedule_timeout_interruptible(20);
 			if (time_after(jiffies,timeout))
 				break;
 		}