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path: root/drivers/isdn/hisax/hfc_pci.c
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Diffstat (limited to 'drivers/isdn/hisax/hfc_pci.c')
-rw-r--r--drivers/isdn/hisax/hfc_pci.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/isdn/hisax/hfc_pci.c b/drivers/isdn/hisax/hfc_pci.c
index 5b719b561860..81dd465afcf4 100644
--- a/drivers/isdn/hisax/hfc_pci.c
+++ b/drivers/isdn/hisax/hfc_pci.c
@@ -1169,11 +1169,13 @@ HFCPCI_l1hw(struct PStack *st, int pr, void *arg)
if (cs->debug & L1_DEB_LAPD)
debugl1(cs, "-> PH_REQUEST_PULL");
#endif
+ spin_lock_irqsave(&cs->lock, flags);
if (!cs->tx_skb) {
test_and_clear_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
st->l1.l1l2(st, PH_PULL | CONFIRM, NULL);
} else
test_and_set_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
+ spin_unlock_irqrestore(&cs->lock, flags);
break;
case (HW_RESET | REQUEST):
spin_lock_irqsave(&cs->lock, flags);