Merge branch 'linux-2.6' into for-linus

3 files changed, 61 insertions, 47 deletions

diff --git a/drivers/net/wan/Kconfig b/drivers/net/wan/Kconfig
index 58b7efbb075..d5ab9cf1325 100644
--- a/drivers/net/wan/Kconfig
+++ b/drivers/net/wan/Kconfig
@@ -57,44 +57,6 @@ config COSA
 	  The driver will be compiled as a module: the
 	  module will be called cosa.
 
-config DSCC4
-	tristate "Etinc PCISYNC serial board support"
-	depends on WAN && PCI && m
-	help
-	  Driver for Etinc PCISYNC boards based on the Infineon (ex. Siemens)
-	  DSCC4 chipset.
-
-	  This is supposed to work with the four port card. Take a look at
-	  <http://www.cogenit.fr/dscc4/> for further information about the
-	  driver.
-
-	  To compile this driver as a module, choose M here: the
-	  module will be called dscc4.
-
-config DSCC4_PCISYNC
-	bool "Etinc PCISYNC features"
-	depends on DSCC4
-	help
-	  Due to Etinc's design choice for its PCISYNC cards, some operations
-	  are only allowed on specific ports of the DSCC4. This option is the
-	  only way for the driver to know that it shouldn't return a success
-	  code for these operations.
-
-	  Please say Y if your card is an Etinc's PCISYNC.
-
-config DSCC4_PCI_RST
-	bool "Hard reset support"
-	depends on DSCC4
-	help
-	  Various DSCC4 bugs forbid any reliable software reset of the ASIC.
-	  As a replacement, some vendors provide a way to assert the PCI #RST
-	  pin of DSCC4 through the GPIO port of the card. If you choose Y,
-	  the driver will make use of this feature before module removal
-	  (i.e. rmmod). The feature is known to be available on Commtech's
-	  cards. Contact your manufacturer for details.
-
-	  Say Y if your card supports this feature.
-
 #
 # Lan Media's board. Currently 1000, 1200, 5200, 5245
 #
@@ -127,7 +89,7 @@ config LANMEDIA
 # There is no way to detect a Sealevel board. Force it modular
 config SEALEVEL_4021
 	tristate "Sealevel Systems 4021 support"
-	depends on WAN && ISA && m && ISA_DMA_API
+	depends on WAN && ISA && m && ISA_DMA_API && INET
 	help
 	  This is a driver for the Sealevel Systems ACB 56 serial I/O adapter.
 
@@ -323,6 +285,44 @@ config FARSYNC
 	  To compile this driver as a module, choose M here: the
 	  module will be called farsync.
 
+config DSCC4
+	tristate "Etinc PCISYNC serial board support"
+	depends on HDLC && PCI && m
+	help
+	  Driver for Etinc PCISYNC boards based on the Infineon (ex. Siemens)
+	  DSCC4 chipset.
+
+	  This is supposed to work with the four port card. Take a look at
+	  <http://www.cogenit.fr/dscc4/> for further information about the
+	  driver.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called dscc4.
+
+config DSCC4_PCISYNC
+	bool "Etinc PCISYNC features"
+	depends on DSCC4
+	help
+	  Due to Etinc's design choice for its PCISYNC cards, some operations
+	  are only allowed on specific ports of the DSCC4. This option is the
+	  only way for the driver to know that it shouldn't return a success
+	  code for these operations.
+
+	  Please say Y if your card is an Etinc's PCISYNC.
+
+config DSCC4_PCI_RST
+	bool "Hard reset support"
+	depends on DSCC4
+	help
+	  Various DSCC4 bugs forbid any reliable software reset of the ASIC.
+	  As a replacement, some vendors provide a way to assert the PCI #RST
+	  pin of DSCC4 through the GPIO port of the card. If you choose Y,
+	  the driver will make use of this feature before module removal
+	  (i.e. rmmod). The feature is known to be available on Commtech's
+	  cards. Contact your manufacturer for details.
+
+	  Say Y if your card supports this feature.
+
 config DLCI
 	tristate "Frame Relay DLCI support"
 	depends on WAN
diff --git a/drivers/net/wan/n2.c b/drivers/net/wan/n2.c
index dcf46add3ad..5c322dfb79f 100644
--- a/drivers/net/wan/n2.c
+++ b/drivers/net/wan/n2.c
@@ -500,7 +500,7 @@ static int __init n2_init(void)
 #ifdef MODULE
 		printk(KERN_INFO "n2: no card initialized\n");
 #endif
-		return -ENOSYS;	/* no parameters specified, abort */
+		return -EINVAL;	/* no parameters specified, abort */
 	}
 
 	printk(KERN_INFO "%s\n", version);
@@ -538,11 +538,11 @@ static int __init n2_init(void)
 			n2_run(io, irq, ram, valid[0], valid[1]);
 
 		if (*hw == '\x0')
-			return first_card ? 0 : -ENOSYS;
+			return first_card ? 0 : -EINVAL;
 	}while(*hw++ == ':');
 
 	printk(KERN_ERR "n2: invalid hardware parameters\n");
-	return first_card ? 0 : -ENOSYS;
+	return first_card ? 0 : -EINVAL;
 }
 
 
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)