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Subject[ALSA] ISA drivers bailing on first IS_ERR
Hi Takashi.

If as per the previous message an error return from the probe() method
should make platform_driver_register_simple() return IS_ERR, then the
SNDRV_CARDS loop should continue with the next one, instead of bailing.

If the bus_add_device() patch and the attached is applied, the pre
platform_driver behaviour of not loading on not finding any devices (and
printing a message to that effect) is restored. Without, the printk is
dead code.

This has been generated against 2.6.16 + the earlier !enable[i] patch.

sound/isa/ad1848/ad1848.c | 14 ++++----------
sound/isa/cmi8330.c | 14 ++++----------
sound/isa/cs423x/cs4231.c | 14 ++++----------
sound/isa/cs423x/cs4236.c | 14 ++++----------
sound/isa/es1688/es1688.c | 14 ++++----------
sound/isa/gus/gusclassic.c | 14 ++++----------
sound/isa/gus/gusextreme.c | 14 ++++----------
sound/isa/gus/gusmax.c | 14 ++++----------
sound/isa/gus/interwave.c | 14 ++++----------
sound/isa/opl3sa2.c | 14 ++++----------
sound/isa/sb/sb16.c | 14 ++++----------
sound/isa/sb/sb8.c | 14 ++++----------
sound/isa/sgalaxy.c | 14 ++++----------
sound/isa/wavefront/wavefront.c | 14 ++++----------
14 files changed, 56 insertions(+), 140 deletions(-)
Rene.


Index: local/sound/isa/ad1848/ad1848.c
===================================================================
--- local.orig/sound/isa/ad1848/ad1848.c 2006-03-24 03:16:06.000000000 +0100
+++ local/sound/isa/ad1848/ad1848.c 2006-03-24 05:10:00.000000000 +0100
@@ -193,10 +193,8 @@ static int __init alsa_card_ad1848_init(
continue;
device = platform_device_register_simple(SND_AD1848_DRIVER,
i, NULL, 0);
- if (IS_ERR(device)) {
- err = PTR_ERR(device);
- goto errout;
- }
+ if (IS_ERR(device))
+ continue;
devices[i] = device;
cards++;
}
@@ -204,14 +202,10 @@ static int __init alsa_card_ad1848_init(
#ifdef MODULE
printk(KERN_ERR "AD1848 soundcard not found or device busy\n");
#endif
- err = -ENODEV;
- goto errout;
+ snd_ad1848_unregister_all();
+ return -ENODEV;
}
return 0;
-
- errout:
- snd_ad1848_unregister_all();
- return err;
}

static void __exit alsa_card_ad1848_exit(void)
Index: local/sound/isa/cmi8330.c
===================================================================
--- local.orig/sound/isa/cmi8330.c 2006-03-24 03:16:06.000000000 +0100
+++ local/sound/isa/cmi8330.c 2006-03-24 04:46:48.000000000 +0100
@@ -696,10 +696,8 @@ static int __init alsa_card_cmi8330_init
continue;
device = platform_device_register_simple(CMI8330_DRIVER,
i, NULL, 0);
- if (IS_ERR(device)) {
- err = PTR_ERR(device);
- goto errout;
- }
+ if (IS_ERR(device))
+ continue;
platform_devices[i] = device;
cards++;
}
@@ -716,14 +714,10 @@ static int __init alsa_card_cmi8330_init
#ifdef MODULE
snd_printk(KERN_ERR "CMI8330 not found or device busy\n");
#endif
- err = -ENODEV;
- goto errout;
+ snd_cmi8330_unregister_all();
+ return -ENODEV;
}
return 0;
-
- errout:
- snd_cmi8330_unregister_all();
- return err;
}

static void __exit alsa_card_cmi8330_exit(void)
Index: local/sound/isa/cs423x/cs4231.c
===================================================================
--- local.orig/sound/isa/cs423x/cs4231.c 2006-03-24 03:16:06.000000000 +0100
+++ local/sound/isa/cs423x/cs4231.c 2006-03-24 04:48:15.000000000 +0100
@@ -209,10 +209,8 @@ static int __init alsa_card_cs4231_init(
continue;
device = platform_device_register_simple(SND_CS4231_DRIVER,
i, NULL, 0);
- if (IS_ERR(device)) {
- err = PTR_ERR(device);
- goto errout;
- }
+ if (IS_ERR(device))
+ continue;
devices[i] = device;
cards++;
}
@@ -220,14 +218,10 @@ static int __init alsa_card_cs4231_init(
#ifdef MODULE
printk(KERN_ERR "CS4231 soundcard not found or device busy\n");
#endif
- err = -ENODEV;
- goto errout;
+ snd_cs4231_unregister_all();
+ return -ENODEV;
}
return 0;
-
- errout:
- snd_cs4231_unregister_all();
- return err;
}

static void __exit alsa_card_cs4231_exit(void)
Index: local/sound/isa/cs423x/cs4236.c
===================================================================
--- local.orig/sound/isa/cs423x/cs4236.c 2006-03-24 03:16:06.000000000 +0100
+++ local/sound/isa/cs423x/cs4236.c 2006-03-24 04:50:04.000000000 +0100
@@ -777,10 +777,8 @@ static int __init alsa_card_cs423x_init(
continue;
device = platform_device_register_simple(CS423X_DRIVER,
i, NULL, 0);
- if (IS_ERR(device)) {
- err = PTR_ERR(device);
- goto errout;
- }
+ if (IS_ERR(device))
+ continue;
platform_devices[i] = device;
cards++;
}
@@ -803,14 +801,10 @@ static int __init alsa_card_cs423x_init(
#ifdef MODULE
printk(KERN_ERR IDENT " soundcard not found or device busy\n");
#endif
- err = -ENODEV;
- goto errout;
+ snd_cs423x_unregister_all();
+ return -ENODEV;
}
return 0;
-
- errout:
- snd_cs423x_unregister_all();
- return err;
}

static void __exit alsa_card_cs423x_exit(void)
Index: local/sound/isa/es1688/es1688.c
===================================================================
--- local.orig/sound/isa/es1688/es1688.c 2006-03-24 03:16:06.000000000 +0100
+++ local/sound/isa/es1688/es1688.c 2006-03-24 04:52:52.000000000 +0100
@@ -213,10 +213,8 @@ static int __init alsa_card_es1688_init(
continue;
device = platform_device_register_simple(ES1688_DRIVER,
i, NULL, 0);
- if (IS_ERR(device)) {
- err = PTR_ERR(device);
- goto errout;
- }
+ if (IS_ERR(device))
+ continue;
devices[i] = device;
cards++;
}
@@ -224,14 +222,10 @@ static int __init alsa_card_es1688_init(
#ifdef MODULE
printk(KERN_ERR "ESS AudioDrive ES1688 soundcard not found or device busy\n");
#endif
- err = -ENODEV;
- goto errout;
+ snd_es1688_unregister_all();
+ return -ENODEV;
}
return 0;
-
- errout:
- snd_es1688_unregister_all();
- return err;
}

static void __exit alsa_card_es1688_exit(void)
Index: local/sound/isa/gus/gusclassic.c
===================================================================
--- local.orig/sound/isa/gus/gusclassic.c 2006-03-24 03:16:06.000000000 +0100
+++ local/sound/isa/gus/gusclassic.c 2006-03-24 04:53:46.000000000 +0100
@@ -253,10 +253,8 @@ static int __init alsa_card_gusclassic_i
continue;
device = platform_device_register_simple(GUSCLASSIC_DRIVER,
i, NULL, 0);
- if (IS_ERR(device)) {
- err = PTR_ERR(device);
- goto errout;
- }
+ if (IS_ERR(device))
+ continue;
devices[i] = device;
cards++;
}
@@ -264,14 +262,10 @@ static int __init alsa_card_gusclassic_i
#ifdef MODULE
printk(KERN_ERR "GUS Classic soundcard not found or device busy\n");
#endif
- err = -ENODEV;
- goto errout;
+ snd_gusclassic_unregister_all();
+ return -ENODEV;
}
return 0;
-
- errout:
- snd_gusclassic_unregister_all();
- return err;
}

static void __exit alsa_card_gusclassic_exit(void)
Index: local/sound/isa/gus/gusextreme.c
===================================================================
--- local.orig/sound/isa/gus/gusextreme.c 2006-03-24 03:16:06.000000000 +0100
+++ local/sound/isa/gus/gusextreme.c 2006-03-24 04:55:00.000000000 +0100
@@ -363,10 +363,8 @@ static int __init alsa_card_gusextreme_i
continue;
device = platform_device_register_simple(GUSEXTREME_DRIVER,
i, NULL, 0);
- if (IS_ERR(device)) {
- err = PTR_ERR(device);
- goto errout;
- }
+ if (IS_ERR(device))
+ continue;
devices[i] = device;
cards++;
}
@@ -374,14 +372,10 @@ static int __init alsa_card_gusextreme_i
#ifdef MODULE
printk(KERN_ERR "GUS Extreme soundcard not found or device busy\n");
#endif
- err = -ENODEV;
- goto errout;
+ snd_gusextreme_unregister_all();
+ return -ENODEV;
}
return 0;
-
- errout:
- snd_gusextreme_unregister_all();
- return err;
}

static void __exit alsa_card_gusextreme_exit(void)
Index: local/sound/isa/gus/gusmax.c
===================================================================
--- local.orig/sound/isa/gus/gusmax.c 2006-03-24 03:16:06.000000000 +0100
+++ local/sound/isa/gus/gusmax.c 2006-03-24 04:56:05.000000000 +0100
@@ -390,10 +390,8 @@ static int __init alsa_card_gusmax_init(
continue;
device = platform_device_register_simple(GUSMAX_DRIVER,
i, NULL, 0);
- if (IS_ERR(device)) {
- err = PTR_ERR(device);
- goto errout;
- }
+ if (IS_ERR(device))
+ continue;
devices[i] = device;
cards++;
}
@@ -401,14 +399,10 @@ static int __init alsa_card_gusmax_init(
#ifdef MODULE
printk(KERN_ERR "GUS MAX soundcard not found or device busy\n");
#endif
- err = -ENODEV;
- goto errout;
+ snd_gusmax_unregister_all();
+ return -ENODEV;
}
return 0;
-
- errout:
- snd_gusmax_unregister_all();
- return err;
}

static void __exit alsa_card_gusmax_exit(void)
Index: local/sound/isa/gus/interwave.c
===================================================================
--- local.orig/sound/isa/gus/interwave.c 2006-03-24 03:16:06.000000000 +0100
+++ local/sound/isa/gus/interwave.c 2006-03-24 04:56:52.000000000 +0100
@@ -945,10 +945,8 @@ static int __init alsa_card_interwave_in
#endif
device = platform_device_register_simple(INTERWAVE_DRIVER,
i, NULL, 0);
- if (IS_ERR(device)) {
- err = PTR_ERR(device);
- goto errout;
- }
+ if (IS_ERR(device))
+ continue;
platform_devices[i] = device;
cards++;
}
@@ -964,14 +962,10 @@ static int __init alsa_card_interwave_in
#ifdef MODULE
printk(KERN_ERR "InterWave soundcard not found or device busy\n");
#endif
- err = -ENODEV;
- goto errout;
+ snd_interwave_unregister_all();
+ return -ENODEV;
}
return 0;
-
- errout:
- snd_interwave_unregister_all();
- return err;
}

static void __exit alsa_card_interwave_exit(void)
Index: local/sound/isa/opl3sa2.c
===================================================================
--- local.orig/sound/isa/opl3sa2.c 2006-03-24 03:16:06.000000000 +0100
+++ local/sound/isa/opl3sa2.c 2006-03-24 04:58:02.000000000 +0100
@@ -959,10 +959,8 @@ static int __init alsa_card_opl3sa2_init
#endif
device = platform_device_register_simple(OPL3SA2_DRIVER,
i, NULL, 0);
- if (IS_ERR(device)) {
- err = PTR_ERR(device);
- goto errout;
- }
+ if (IS_ERR(device))
+ continue;
platform_devices[i] = device;
cards++;
}
@@ -984,14 +982,10 @@ static int __init alsa_card_opl3sa2_init
#ifdef MODULE
snd_printk(KERN_ERR "Yamaha OPL3-SA soundcard not found or device busy\n");
#endif
- err = -ENODEV;
- goto errout;
+ snd_opl3sa2_unregister_all();
+ return -ENODEV;
}
return 0;
-
- errout:
- snd_opl3sa2_unregister_all();
- return err;
}

static void __exit alsa_card_opl3sa2_exit(void)
Index: local/sound/isa/sb/sb16.c
===================================================================
--- local.orig/sound/isa/sb/sb16.c 2006-03-24 03:16:06.000000000 +0100
+++ local/sound/isa/sb/sb16.c 2006-03-24 05:01:09.000000000 +0100
@@ -718,10 +718,8 @@ static int __init alsa_card_sb16_init(vo
continue;
device = platform_device_register_simple(SND_SB16_DRIVER,
i, NULL, 0);
- if (IS_ERR(device)) {
- err = PTR_ERR(device);
- goto errout;
- }
+ if (IS_ERR(device))
+ continue;
platform_devices[i] = device;
cards++;
}
@@ -743,14 +741,10 @@ static int __init alsa_card_sb16_init(vo
snd_printk(KERN_ERR "In case, if you have AWE card, try snd-sbawe module\n");
#endif
#endif
- err = -ENODEV;
- goto errout;
+ snd_sb16_unregister_all();
+ return -ENODEV;
}
return 0;
-
- errout:
- snd_sb16_unregister_all();
- return err;
}

static void __exit alsa_card_sb16_exit(void)
Index: local/sound/isa/sb/sb8.c
===================================================================
--- local.orig/sound/isa/sb/sb8.c 2006-03-24 03:16:06.000000000 +0100
+++ local/sound/isa/sb/sb8.c 2006-03-24 05:01:46.000000000 +0100
@@ -264,10 +264,8 @@ static int __init alsa_card_sb8_init(voi
continue;
device = platform_device_register_simple(SND_SB8_DRIVER,
i, NULL, 0);
- if (IS_ERR(device)) {
- err = PTR_ERR(device);
- goto errout;
- }
+ if (IS_ERR(device))
+ continue;
devices[i] = device;
cards++;
}
@@ -275,14 +273,10 @@ static int __init alsa_card_sb8_init(voi
#ifdef MODULE
snd_printk(KERN_ERR "Sound Blaster soundcard not found or device busy\n");
#endif
- err = -ENODEV;
- goto errout;
+ snd_sb8_unregister_all();
+ return -ENODEV;
}
return 0;
-
- errout:
- snd_sb8_unregister_all();
- return err;
}

static void __exit alsa_card_sb8_exit(void)
Index: local/sound/isa/sgalaxy.c
===================================================================
--- local.orig/sound/isa/sgalaxy.c 2006-03-24 03:16:06.000000000 +0100
+++ local/sound/isa/sgalaxy.c 2006-03-24 05:05:21.000000000 +0100
@@ -366,10 +366,8 @@ static int __init alsa_card_sgalaxy_init
continue;
device = platform_device_register_simple(SND_SGALAXY_DRIVER,
i, NULL, 0);
- if (IS_ERR(device)) {
- err = PTR_ERR(device);
- goto errout;
- }
+ if (IS_ERR(device))
+ continue;
devices[i] = device;
cards++;
}
@@ -377,14 +375,10 @@ static int __init alsa_card_sgalaxy_init
#ifdef MODULE
snd_printk(KERN_ERR "Sound Galaxy soundcard not found or device busy\n");
#endif
- err = -ENODEV;
- goto errout;
+ snd_sgalaxy_unregister_all();
+ return -ENODEV;
}
return 0;
-
- errout:
- snd_sgalaxy_unregister_all();
- return err;
}

static void __exit alsa_card_sgalaxy_exit(void)
Index: local/sound/isa/wavefront/wavefront.c
===================================================================
--- local.orig/sound/isa/wavefront/wavefront.c 2006-03-24 03:16:06.000000000 +0100
+++ local/sound/isa/wavefront/wavefront.c 2006-03-24 05:07:05.000000000 +0100
@@ -720,10 +720,8 @@ static int __init alsa_card_wavefront_in
#endif
device = platform_device_register_simple(WAVEFRONT_DRIVER,
i, NULL, 0);
- if (IS_ERR(device)) {
- err = PTR_ERR(device);
- goto errout;
- }
+ if (IS_ERR(device))
+ continue;
platform_devices[i] = device;
cards++;
}
@@ -740,14 +738,10 @@ static int __init alsa_card_wavefront_in
#ifdef MODULE
printk (KERN_ERR "No WaveFront cards found or devices busy\n");
#endif
- err = -ENODEV;
- goto errout;
+ snd_wavefront_unregister_all();
+ return -ENODEV;
}
return 0;
-
- errout:
- snd_wavefront_unregister_all();
- return err;
}

static void __exit alsa_card_wavefront_exit(void)

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