Merge ../linux-2.6

5 files changed, 50 insertions, 50 deletions

diff --git a/sound/drivers/dummy.c b/sound/drivers/dummy.c
index e35fd57..ae0df54 100644
--- a/sound/drivers/dummy.c
+++ b/sound/drivers/dummy.c
@@ -675,10 +675,8 @@ static int __init alsa_card_dummy_init(void)
 			continue;
 		device = platform_device_register_simple(SND_DUMMY_DRIVER,
 							 i, NULL, 0);
-		if (IS_ERR(device)) {
-			err = PTR_ERR(device);
-			goto errout;
-		}
+		if (IS_ERR(device))
+			continue;
 		devices[i] = device;
 		cards++;
 	}
@@ -686,14 +684,10 @@ static int __init alsa_card_dummy_init(void)
 #ifdef MODULE
 		printk(KERN_ERR "Dummy soundcard not found or device busy\n");
 #endif
-		err = -ENODEV;
-		goto errout;
+		snd_dummy_unregister_all();
+		return -ENODEV;
 	}
 	return 0;
-
- errout:
-	snd_dummy_unregister_all();
-	return err;
 }
 
 static void __exit alsa_card_dummy_exit(void)
diff --git a/sound/drivers/mpu401/mpu401.c b/sound/drivers/mpu401/mpu401.c
index 9ea3059..77b0600 100644
--- a/sound/drivers/mpu401/mpu401.c
+++ b/sound/drivers/mpu401/mpu401.c
@@ -151,7 +151,7 @@ static struct pnp_device_id snd_mpu401_pnpids[] = {
 
 MODULE_DEVICE_TABLE(pnp, snd_mpu401_pnpids);
 
-static int __init snd_mpu401_pnp(int dev, struct pnp_dev *device,
+static int __devinit snd_mpu401_pnp(int dev, struct pnp_dev *device,
 				 const struct pnp_device_id *id)
 {
 	if (!pnp_port_valid(device, 0) ||
@@ -251,10 +251,8 @@ static int __init alsa_card_mpu401_init(void)
 #endif
 		device = platform_device_register_simple(SND_MPU401_DRIVER,
 							 i, NULL, 0);
-		if (IS_ERR(device)) {
-			err = PTR_ERR(device);
-			goto errout;
-		}
+		if (IS_ERR(device))
+			continue;
 		platform_devices[i] = device;
 		snd_mpu401_devices++;
 	}
@@ -266,14 +264,10 @@ static int __init alsa_card_mpu401_init(void)
 #ifdef MODULE
 		printk(KERN_ERR "MPU-401 device not found or device busy\n");
 #endif
-		err = -ENODEV;
-		goto errout;
+		snd_mpu401_unregister_all();
+		return -ENODEV;
 	}
 	return 0;
-
- errout:
-	snd_mpu401_unregister_all();
-	return err;
 }
 
 static void __exit alsa_card_mpu401_exit(void)
diff --git a/sound/drivers/mpu401/mpu401_uart.c b/sound/drivers/mpu401/mpu401_uart.c
index 8687ae3..b49a45c 100644
--- a/sound/drivers/mpu401/mpu401_uart.c
+++ b/sound/drivers/mpu401/mpu401_uart.c
@@ -183,7 +183,8 @@ static void snd_mpu401_uart_remove_timer (struct snd_mpu401 *mpu, int input)
 
  */
 
-static void snd_mpu401_uart_cmd(struct snd_mpu401 * mpu, unsigned char cmd, int ack)
+static int snd_mpu401_uart_cmd(struct snd_mpu401 * mpu, unsigned char cmd,
+		int ack)
 {
 	unsigned long flags;
 	int timeout, ok;
@@ -218,9 +219,11 @@ static void snd_mpu401_uart_cmd(struct snd_mpu401 * mpu, unsigned char cmd, int
 		ok = 1;
 	}
 	spin_unlock_irqrestore(&mpu->input_lock, flags);
-	if (! ok)
+	if (!ok) {
 		snd_printk("cmd: 0x%x failed at 0x%lx (status = 0x%x, data = 0x%x)\n", cmd, mpu->port, mpu->read(mpu, MPU401C(mpu)), mpu->read(mpu, MPU401D(mpu)));
-	// snd_printk("cmd: 0x%x at 0x%lx (status = 0x%x, data = 0x%x)\n", cmd, mpu->port, mpu->read(mpu, MPU401C(mpu)), mpu->read(mpu, MPU401D(mpu)));
+		return 1;
+	}
+	return 0;
 }
 
 /*
@@ -235,12 +238,19 @@ static int snd_mpu401_uart_input_open(struct snd_rawmidi_substream *substream)
 	if (mpu->open_input && (err = mpu->open_input(mpu)) < 0)
 		return err;
 	if (! test_bit(MPU401_MODE_BIT_OUTPUT, &mpu->mode)) {
-		snd_mpu401_uart_cmd(mpu, MPU401_RESET, 1);
-		snd_mpu401_uart_cmd(mpu, MPU401_ENTER_UART, 1);
+		if (snd_mpu401_uart_cmd(mpu, MPU401_RESET, 1))
+			goto error_out;
+		if (snd_mpu401_uart_cmd(mpu, MPU401_ENTER_UART, 1))
+			goto error_out;
 	}
 	mpu->substream_input = substream;
 	set_bit(MPU401_MODE_BIT_INPUT, &mpu->mode);
 	return 0;
+
+error_out:
+	if (mpu->open_input && mpu->close_input)
+		mpu->close_input(mpu);
+	return -EIO;
 }
 
 static int snd_mpu401_uart_output_open(struct snd_rawmidi_substream *substream)
@@ -252,39 +262,52 @@ static int snd_mpu401_uart_output_open(struct snd_rawmidi_substream *substream)
 	if (mpu->open_output && (err = mpu->open_output(mpu)) < 0)
 		return err;
 	if (! test_bit(MPU401_MODE_BIT_INPUT, &mpu->mode)) {
-		snd_mpu401_uart_cmd(mpu, MPU401_RESET, 1);
-		snd_mpu401_uart_cmd(mpu, MPU401_ENTER_UART, 1);
+		if (snd_mpu401_uart_cmd(mpu, MPU401_RESET, 1))
+			goto error_out;
+		if (snd_mpu401_uart_cmd(mpu, MPU401_ENTER_UART, 1))
+			goto error_out;
 	}
 	mpu->substream_output = substream;
 	set_bit(MPU401_MODE_BIT_OUTPUT, &mpu->mode);
 	return 0;
+
+error_out:
+	if (mpu->open_output && mpu->close_output)
+		mpu->close_output(mpu);
+	return -EIO;
 }
 
 static int snd_mpu401_uart_input_close(struct snd_rawmidi_substream *substream)
 {
 	struct snd_mpu401 *mpu;
+	int err = 0;
 
 	mpu = substream->rmidi->private_data;
 	clear_bit(MPU401_MODE_BIT_INPUT, &mpu->mode);
 	mpu->substream_input = NULL;
 	if (! test_bit(MPU401_MODE_BIT_OUTPUT, &mpu->mode))
-		snd_mpu401_uart_cmd(mpu, MPU401_RESET, 0);
+		err = snd_mpu401_uart_cmd(mpu, MPU401_RESET, 0);
 	if (mpu->close_input)
 		mpu->close_input(mpu);
+	if (err)
+		return -EIO;
 	return 0;
 }
 
 static int snd_mpu401_uart_output_close(struct snd_rawmidi_substream *substream)
 {
 	struct snd_mpu401 *mpu;
+	int err = 0;
 
 	mpu = substream->rmidi->private_data;
 	clear_bit(MPU401_MODE_BIT_OUTPUT, &mpu->mode);
 	mpu->substream_output = NULL;
 	if (! test_bit(MPU401_MODE_BIT_INPUT, &mpu->mode))
-		snd_mpu401_uart_cmd(mpu, MPU401_RESET, 0);
+		err = snd_mpu401_uart_cmd(mpu, MPU401_RESET, 0);
 	if (mpu->close_output)
 		mpu->close_output(mpu);
+	if (err)
+		return -EIO;
 	return 0;
 }
 
@@ -316,6 +339,7 @@ static void snd_mpu401_uart_input_trigger(struct snd_rawmidi_substream *substrea
 			snd_mpu401_uart_remove_timer(mpu, 1);
 		clear_bit(MPU401_MODE_BIT_INPUT_TRIGGER, &mpu->mode);
 	}
+
 }
 
 /*
diff --git a/sound/drivers/serial-u16550.c b/sound/drivers/serial-u16550.c
index 1a7fbef..c01b4c5 100644
--- a/sound/drivers/serial-u16550.c
+++ b/sound/drivers/serial-u16550.c
@@ -996,10 +996,8 @@ static int __init alsa_card_serial_init(void)
 			continue;
 		device = platform_device_register_simple(SND_SERIAL_DRIVER,
 							 i, NULL, 0);
-		if (IS_ERR(device)) {
-			err = PTR_ERR(device);
-			goto errout;
-		}
+		if (IS_ERR(device))
+			continue;
 		devices[i] = device;
 		cards++;
 	}
@@ -1007,14 +1005,10 @@ static int __init alsa_card_serial_init(void)
 #ifdef MODULE
 		printk(KERN_ERR "serial midi soundcard not found or device busy\n");
 #endif
-		err = -ENODEV;
-		goto errout;
+		snd_serial_unregister_all();
+		return -ENODEV;
 	}
 	return 0;
-
- errout:
-	snd_serial_unregister_all();
-	return err;
 }
 
 static void __exit alsa_card_serial_exit(void)
diff --git a/sound/drivers/virmidi.c b/sound/drivers/virmidi.c
index a3ee306..26eb249 100644
--- a/sound/drivers/virmidi.c
+++ b/sound/drivers/virmidi.c
@@ -169,10 +169,8 @@ static int __init alsa_card_virmidi_init(void)
 			continue;
 		device = platform_device_register_simple(SND_VIRMIDI_DRIVER,
 							 i, NULL, 0);
-		if (IS_ERR(device)) {
-			err = PTR_ERR(device);
-			goto errout;
-		}
+		if (IS_ERR(device))
+			continue;
 		devices[i] = device;
 		cards++;
 	}
@@ -180,14 +178,10 @@ static int __init alsa_card_virmidi_init(void)
 #ifdef MODULE
 		printk(KERN_ERR "Card-VirMIDI soundcard not found or device busy\n");
 #endif
-		err = -ENODEV;
-		goto errout;
+		snd_virmidi_unregister_all();
+		return -ENODEV;
 	}
 	return 0;
-
- errout:
-	snd_virmidi_unregister_all();
-	return err;
 }
 
 static void __exit alsa_card_virmidi_exit(void)