diff --git a/sound/isa/ad1848/ad1848.c b/sound/isa/ad1848/ad1848.c
index 1f460eb..99908e4 100644
--- a/sound/isa/ad1848/ad1848.c
+++ b/sound/isa/ad1848/ad1848.c
@@ -195,6 +195,10 @@
 							 i, NULL, 0);
 		if (IS_ERR(device))
 			continue;
+		if (!platform_get_drvdata(device)) {
+			platform_device_unregister(device);
+			continue;
+		}
 		devices[i] = device;
 		cards++;
 	}
diff --git a/sound/isa/adlib.c b/sound/isa/adlib.c
index a253a14..1124344 100644
--- a/sound/isa/adlib.c
+++ b/sound/isa/adlib.c
@@ -43,8 +43,7 @@
 	struct snd_card *card;
 	struct snd_opl3 *opl3;
 
-	int error;
-	int i = device->id;
+	int error, i = device->id;
 
 	if (port[i] == SNDRV_AUTO_PORT) {
 		snd_printk(KERN_ERR DRV_NAME ": please specify port\n");
@@ -95,8 +94,7 @@
 	return 0;
 
 out1:	snd_card_free(card);
- out0:	error = -EINVAL; /* FIXME: should be the original error code */
-	return error;
+out0:	return error;
 }
 
 static int __devexit snd_adlib_remove(struct platform_device *device)
@@ -134,6 +132,11 @@
 		if (IS_ERR(device))
 			continue;
 
+		if (!platform_get_drvdata(device)) {
+			platform_device_unregister(device);
+			continue;
+		}
+
 		devices[i] = device;
 		cards++;
 	}
diff --git a/sound/isa/cmi8330.c b/sound/isa/cmi8330.c
index 35780b8..3c1e9fd 100644
--- a/sound/isa/cmi8330.c
+++ b/sound/isa/cmi8330.c
@@ -701,6 +701,10 @@
 							 i, NULL, 0);
 		if (IS_ERR(device))
 			continue;
+		if (!platform_get_drvdata(device)) {
+			platform_device_unregister(device);
+			continue;
+		}
 		platform_devices[i] = device;
 		cards++;
 	}
diff --git a/sound/isa/cs423x/cs4231.c b/sound/isa/cs423x/cs4231.c
index 073dac9..397310f 100644
--- a/sound/isa/cs423x/cs4231.c
+++ b/sound/isa/cs423x/cs4231.c
@@ -211,6 +211,10 @@
 							 i, NULL, 0);
 		if (IS_ERR(device))
 			continue;
+		if (!platform_get_drvdata(device)) {
+			platform_device_unregister(device);
+			continue;
+		}
 		devices[i] = device;
 		cards++;
 	}
diff --git a/sound/isa/cs423x/cs4236.c b/sound/isa/cs423x/cs4236.c
index b07a62b..f7fa7793 100644
--- a/sound/isa/cs423x/cs4236.c
+++ b/sound/isa/cs423x/cs4236.c
@@ -782,6 +782,10 @@
 							 i, NULL, 0);
 		if (IS_ERR(device))
 			continue;
+		if (!platform_get_drvdata(device)) {
+			platform_device_unregister(device);
+			continue;
+		}
 		platform_devices[i] = device;
 		snd_cs423x_devices++;
 	}
diff --git a/sound/isa/es1688/es1688.c b/sound/isa/es1688/es1688.c
index d83d710..e90689e 100644
--- a/sound/isa/es1688/es1688.c
+++ b/sound/isa/es1688/es1688.c
@@ -215,6 +215,10 @@
 							 i, NULL, 0);
 		if (IS_ERR(device))
 			continue;
+		if (!platform_get_drvdata(device)) {
+			platform_device_unregister(device);
+			continue;
+		}
 		devices[i] = device;
 		cards++;
 	}
diff --git a/sound/isa/es18xx.c b/sound/isa/es18xx.c
index 0da249b..a36ec1d 100644
--- a/sound/isa/es18xx.c
+++ b/sound/isa/es18xx.c
@@ -2393,6 +2393,10 @@
 							 i, NULL, 0);
 		if (IS_ERR(device))
 	       		continue;
+		if (!platform_get_drvdata(device)) {
+			platform_device_unregister(device);
+			continue;
+		}
 		platform_devices[i] = device;
 		cards++;
 	}
diff --git a/sound/isa/gus/gusclassic.c b/sound/isa/gus/gusclassic.c
index ed34427..37057a3 100644
--- a/sound/isa/gus/gusclassic.c
+++ b/sound/isa/gus/gusclassic.c
@@ -255,6 +255,10 @@
 							 i, NULL, 0);
 		if (IS_ERR(device))
 			continue;
+		if (!platform_get_drvdata(device)) {
+			platform_device_unregister(device);
+			continue;
+		}
 		devices[i] = device;
 		cards++;
 	}
diff --git a/sound/isa/gus/gusextreme.c b/sound/isa/gus/gusextreme.c
index aa312de..05852fc 100644
--- a/sound/isa/gus/gusextreme.c
+++ b/sound/isa/gus/gusextreme.c
@@ -365,6 +365,10 @@
 							 i, NULL, 0);
 		if (IS_ERR(device))
 			continue;
+		if (!platform_get_drvdata(device)) {
+			platform_device_unregister(device);
+			continue;
+		}
 		devices[i] = device;
 		cards++;
 	}
diff --git a/sound/isa/gus/gusmax.c b/sound/isa/gus/gusmax.c
index a733fab..fcf2c8f 100644
--- a/sound/isa/gus/gusmax.c
+++ b/sound/isa/gus/gusmax.c
@@ -392,6 +392,10 @@
 							 i, NULL, 0);
 		if (IS_ERR(device))
 			continue;
+		if (!platform_get_drvdata(device)) {
+			platform_device_unregister(device);
+			continue;
+		}
 		devices[i] = device;
 		cards++;
 	}
diff --git a/sound/isa/gus/interwave.c b/sound/isa/gus/interwave.c
index 4be472e..4298d33 100644
--- a/sound/isa/gus/interwave.c
+++ b/sound/isa/gus/interwave.c
@@ -949,6 +949,10 @@
 							 i, NULL, 0);
 		if (IS_ERR(device))
 			continue;
+		if (!platform_get_drvdata(device)) {
+			platform_device_unregister(device);
+			continue;
+		}
 		platform_devices[i] = device;
 		cards++;
 	}
diff --git a/sound/isa/opl3sa2.c b/sound/isa/opl3sa2.c
index 02ae73e..6d88905 100644
--- a/sound/isa/opl3sa2.c
+++ b/sound/isa/opl3sa2.c
@@ -964,6 +964,10 @@
 							 i, NULL, 0);
 		if (IS_ERR(device))
 			continue;
+		if (!platform_get_drvdata(device)) {
+			platform_device_unregister(device);
+			continue;
+		}
 		platform_devices[i] = device;
 		snd_opl3sa2_devices++;
 	}
diff --git a/sound/isa/opti9xx/miro.c b/sound/isa/opti9xx/miro.c
index 09384d0..83d64bc 100644
--- a/sound/isa/opti9xx/miro.c
+++ b/sound/isa/opti9xx/miro.c
@@ -1436,8 +1436,11 @@
 	if ((error = platform_driver_register(&snd_miro_driver)) < 0)
 		return error;
 	device = platform_device_register_simple(DRIVER_NAME, -1, NULL, 0);
-	if (! IS_ERR(device))
-		return 0;
+	if (! IS_ERR(device)) {
+		if (platform_get_drvdata(device))
+			return 0;
+		platform_device_unregister(device);
+	}
 #ifdef MODULE
 	printk(KERN_ERR "no miro soundcard found\n");
 #endif
diff --git a/sound/isa/opti9xx/opti92x-ad1848.c b/sound/isa/opti9xx/opti92x-ad1848.c
index 65b28cb..8ee0d70 100644
--- a/sound/isa/opti9xx/opti92x-ad1848.c
+++ b/sound/isa/opti9xx/opti92x-ad1848.c
@@ -2099,8 +2099,11 @@
 			return error;
 		device = platform_device_register_simple(DRIVER_NAME, -1, NULL, 0);
 		if (!IS_ERR(device)) {
-			snd_opti9xx_platform_device = device;
-			return 0;
+			if (platform_get_drvdata(device)) {
+				snd_opti9xx_platform_device = device;
+				return 0;
+			}
+			platform_device_unregister(device);
 		}
 		platform_driver_unregister(&snd_opti9xx_driver);
 	}
diff --git a/sound/isa/sb/sb16.c b/sound/isa/sb/sb16.c
index 24fa190..6333f90 100644
--- a/sound/isa/sb/sb16.c
+++ b/sound/isa/sb/sb16.c
@@ -722,6 +722,10 @@
 							 i, NULL, 0);
 		if (IS_ERR(device))
 			continue;
+		if (!platform_get_drvdata(device)) {
+			platform_device_unregister(device);
+			continue;
+		}
 		platform_devices[i] = device;
 		cards++;
 	}
diff --git a/sound/isa/sb/sb8.c b/sound/isa/sb/sb8.c
index f75eeb0..141400c 100644
--- a/sound/isa/sb/sb8.c
+++ b/sound/isa/sb/sb8.c
@@ -266,6 +266,10 @@
 							 i, NULL, 0);
 		if (IS_ERR(device))
 			continue;
+		if (!platform_get_drvdata(device)) {
+			platform_device_unregister(device);
+			continue;
+		}
 		devices[i] = device;
 		cards++;
 	}
diff --git a/sound/isa/sgalaxy.c b/sound/isa/sgalaxy.c
index f01a80a..09c8e8c 100644
--- a/sound/isa/sgalaxy.c
+++ b/sound/isa/sgalaxy.c
@@ -368,6 +368,10 @@
 							 i, NULL, 0);
 		if (IS_ERR(device))
 			continue;
+		if (!platform_get_drvdata(device)) {
+			platform_device_unregister(device);
+			continue;
+		}
 		devices[i] = device;
 		cards++;
 	}
diff --git a/sound/isa/sscape.c b/sound/isa/sscape.c
index 532f6e0..d2a856f 100644
--- a/sound/isa/sscape.c
+++ b/sound/isa/sscape.c
@@ -1438,6 +1438,10 @@
 							 i, NULL, 0);
 		if (IS_ERR(device))
 			continue;
+		if (!platform_get_drvdata(device)) {
+			platform_device_unregister(device);
+			continue;
+		}
 		platform_devices[i] = device;
 	}
 	return 0;
diff --git a/sound/isa/wavefront/wavefront.c b/sound/isa/wavefront/wavefront.c
index ed9d017..7ae86f8 100644
--- a/sound/isa/wavefront/wavefront.c
+++ b/sound/isa/wavefront/wavefront.c
@@ -724,6 +724,10 @@
 							 i, NULL, 0);
 		if (IS_ERR(device))
 			continue;
+		if (!platform_get_drvdata(device)) {
+			platform_device_unregister(device);
+			continue;
+		}
 		platform_devices[i] = device;
 		cards++;
 	}