1 files changed, 4 insertions, 5 deletions

diff --git a/drivers/isdn/hysdn/hysdn_sched.c b/drivers/isdn/hysdn/hysdn_sched.c
index 1c0d54ac12ab..1fadf0133e9b 100644
--- a/drivers/isdn/hysdn/hysdn_sched.c
+++ b/drivers/isdn/hysdn/hysdn_sched.c
@@ -155,8 +155,7 @@ hysdn_tx_cfgline(hysdn_card *card, unsigned char *line, unsigned short chan)
         if (card->debug_flags & LOG_SCHED_ASYN)
                 hysdn_addlog(card, "async tx-cfg chan=%d len=%d", chan, strlen(line) + 1);
 
-        save_flags(flags);
-        cli();
+        spin_lock_irqsave(&card->hysdn_lock, flags);
         while (card->async_busy) {
                 sti();
 
@@ -165,7 +164,7 @@ hysdn_tx_cfgline(hysdn_card *card, unsigned char *line, unsigned short chan)
 
                 msleep_interruptible(20);               /* Timeout 20ms */
                 if (!--cnt) {
-                        restore_flags(flags);
+                        spin_unlock_irqrestore(&card->hysdn_lock, flags);
                         return (-ERR_ASYNC_TIME);       /* timed out */
                 }
                 cli();
@@ -194,13 +193,13 @@ hysdn_tx_cfgline(hysdn_card *card, unsigned char *line, unsigned short chan)
 
                 msleep_interruptible(20);               /* Timeout 20ms */
                 if (!--cnt) {
-                        restore_flags(flags);
+                        spin_unlock_irqrestore(&card->hysdn_lock, flags);
                         return (-ERR_ASYNC_TIME);       /* timed out */
                 }
                 cli();
         }                       /* wait for buffer to become free again */
 
-        restore_flags(flags);
+        spin_unlock_irqrestore(&card->hysdn_lock, flags);
 
         if (card->debug_flags & LOG_SCHED_ASYN)
                 hysdn_addlog(card, "async tx-cfg data send");