Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6

* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: (22 commits)
  [PATCH] ibmveth: Fix index increment calculation
  [PATCH] Fix timer race
  [PATCH] Remove useless comment from sb1250
  [PATCH] ucc_geth: changes to ucc_geth driver as a result of qe_lib changes and bugfixes
  [PATCH] sky2: 88E803X transmit lockup
  [PATCH] e1000: Reset all functions after a PCI error
  [PATCH] WAN/pc300: handle, propagate minor errors
  [PATCH] Update smc91x driver with ARM Versatile board info
  [PATCH] wireless: WE-20 compatibility for ESSID and NICKN ioctls
  [PATCH] zd1211rw: fix build-break caused by association race fix
  [PATCH] sotftmac: fix a slab corruption in WEP restricted key association
  [PATCH] airo: check if need to freeze
  [PATCH] wireless: More WE-21 potential overflows...
  [PATCH] zd1201: Possible NULL dereference
  [PATCH] orinoco: fix WE-21 buffer overflow
  [PATCH] airo.c: check returned values
  [PATCH] bcm43xx-softmac: Fix system hang for x86-64 with >1GB RAM
  [PATCH] bcm43xx-softmac: check returned value from pci_enable_device
  [PATCH] softmac: Fix WX and association related races
  [PATCH] bcm43xx: fix race condition in periodic work handler
  ...

1 files changed, 19 insertions, 5 deletions

diff --git a/drivers/net/wan/pc300_drv.c b/drivers/net/wan/pc300_drv.c
index 5823e3bca17..36d1c3ff707 100644
--- a/drivers/net/wan/pc300_drv.c
+++ b/drivers/net/wan/pc300_drv.c
@@ -2867,7 +2867,6 @@ static int ch_config(pc300dev_t * d)
 	uclong clktype = chan->conf.phys_settings.clock_type;
 	ucshort encoding = chan->conf.proto_settings.encoding;
 	ucshort parity = chan->conf.proto_settings.parity;   
-	int tmc, br;
 	ucchar md0, md2;
     
 	/* Reset the channel */
@@ -2940,8 +2939,12 @@ static int ch_config(pc300dev_t * d)
 		case PC300_RSV:
 		case PC300_X21:
 			if (clktype == CLOCK_INT || clktype == CLOCK_TXINT) {
+				int tmc, br;
+
 				/* Calculate the clkrate parameters */
 				tmc = clock_rate_calc(clkrate, card->hw.clock, &br);
+				if (tmc < 0)
+					return -EIO;
 				cpc_writeb(scabase + M_REG(TMCT, ch), tmc);
 				cpc_writeb(scabase + M_REG(TXS, ch),
 					   (TXS_DTRXC | TXS_IBRG | br));
@@ -3097,14 +3100,16 @@ static int cpc_attach(struct net_device *dev, unsigned short encoding,
 	return 0;
 }
 
-static void cpc_opench(pc300dev_t * d)
+static int cpc_opench(pc300dev_t * d)
 {
 	pc300ch_t *chan = (pc300ch_t *) d->chan;
 	pc300_t *card = (pc300_t *) chan->card;
-	int ch = chan->channel;
+	int ch = chan->channel, rc;
 	void __iomem *scabase = card->hw.scabase;
 
-	ch_config(d);
+	rc = ch_config(d);
+	if (rc)
+		return rc;
 
 	rx_config(d);
 
@@ -3113,6 +3118,8 @@ static void cpc_opench(pc300dev_t * d)
 	/* Assert RTS and DTR */
 	cpc_writeb(scabase + M_REG(CTL, ch),
 		   cpc_readb(scabase + M_REG(CTL, ch)) & ~(CTL_RTS | CTL_DTR));
+
+	return 0;
 }
 
 static void cpc_closech(pc300dev_t * d)
@@ -3168,9 +3175,16 @@ int cpc_open(struct net_device *dev)
 	}
 
 	sprintf(ifr.ifr_name, "%s", dev->name);
-	cpc_opench(d);
+	result = cpc_opench(d);
+	if (result)
+		goto err_out;
+
 	netif_start_queue(dev);
 	return 0;
+
+err_out:
+	hdlc_close(dev);
+	return result;
 }
 
 static int cpc_close(struct net_device *dev)