X-Git-Url: http://git.agner.ch/gitweb/?p=linux-drm-fsl-dcu.git;a=blobdiff_plain;f=drivers%2Fisdn%2Fhisax%2Fconfig.c;h=785b08554fcaa3685a3115a965be95bccc1d72e1;hp=e10350360f2ff27c5158fbebe732fa0991bf44bd;hb=bdbf77d6707a52bdeff223d0a60df12d086d21d7;hpb=67eb5db5874076db01febed5a1a9281628fa9fb4

diff --git a/drivers/isdn/hisax/config.c b/drivers/isdn/hisax/config.c
index e10350360f2f..785b08554fca 100644
--- a/drivers/isdn/hisax/config.c
+++ b/drivers/isdn/hisax/config.c
@@ -631,7 +631,8 @@ static int HiSax_readstatus(u_char __user *buf, int len, int id, int channel)
 		count = cs->status_end - cs->status_read + 1;
 		if (count >= len)
 			count = len;
-		copy_to_user(p, cs->status_read, count);
+		if (copy_to_user(p, cs->status_read, count))
+			return -EFAULT;
 		cs->status_read += count;
 		if (cs->status_read > cs->status_end)
 			cs->status_read = cs->status_buf;
@@ -642,7 +643,8 @@ static int HiSax_readstatus(u_char __user *buf, int len, int id, int channel)
 				cnt = HISAX_STATUS_BUFSIZE;
 			else
 				cnt = count;
-			copy_to_user(p, cs->status_read, cnt);
+			if (copy_to_user(p, cs->status_read, cnt))
+				return -EFAULT;
 			p += cnt;
 			cs->status_read += cnt % HISAX_STATUS_BUFSIZE;
 			count -= cnt;
@@ -1721,11 +1723,11 @@ static void hisax_b_l1l2(struct hisax_if *ifc, int pr, void *arg)
 		hisax_b_sched_event(bcs, B_RCVBUFREADY);
 		break;
 	case PH_DATA | CONFIRM:
-		bcs->tx_cnt -= (int) arg;
+		bcs->tx_cnt -= (long)arg;
 		if (test_bit(FLG_LLI_L1WAKEUP,&bcs->st->lli.flag)) {
 			u_long	flags;
 			spin_lock_irqsave(&bcs->aclock, flags);
-			bcs->ackcnt += (int) arg;
+			bcs->ackcnt += (long)arg;
 			spin_unlock_irqrestore(&bcs->aclock, flags);
 			schedule_event(bcs, B_ACKPENDING);
 		}
@@ -1789,7 +1791,7 @@ static void hisax_b_l2l1(struct PStack *st, int pr, void *arg)
 
 	switch (pr) {
 	case PH_ACTIVATE | REQUEST:
-		B_L2L1(b_if, pr, (void *) st->l1.mode);
+		B_L2L1(b_if, pr, (void *)(unsigned long)st->l1.mode);
 		break;
 	case PH_DATA | REQUEST:
 	case PH_PULL | INDICATION: