[alsa-devel] [PATCH 03/14] ALSA: mts64: return proper error values from attach

[Sudip Mukherjee]

now that we are monitoring the return value from attach, make the
required changes to return proper value from its attach function.

Signed-off-by: Sudip Mukherjee <sudip at vectorindia.org>
---
 sound/drivers/mts64.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/sound/drivers/mts64.c b/sound/drivers/mts64.c
index 2a008a9..fb6223e 100644
--- a/sound/drivers/mts64.c
+++ b/sound/drivers/mts64.c
@@ -874,32 +874,35 @@ static int snd_mts64_probe_port(struct parport *p)
 	return res;
 }
 
-static void snd_mts64_attach(struct parport *p)
+static int snd_mts64_attach(struct parport *p)
 {
 	struct platform_device *device;
+	int ret;
 
 	device = platform_device_alloc(PLATFORM_DRIVER, device_count);
 	if (!device)
-		return;
+		return -ENOMEM;
 
 	/* Temporary assignment to forward the parport */
 	platform_set_drvdata(device, p);
 
-	if (platform_device_add(device) < 0) {
+	ret = platform_device_add(device);
+	if (ret < 0) {
 		platform_device_put(device);
-		return;
+		return ret;
 	}
 
 	/* Since we dont get the return value of probe
 	 * We need to check if device probing succeeded or not */
 	if (!platform_get_drvdata(device)) {
 		platform_device_unregister(device);
-		return;
+		return -ENODEV;
 	}
 
 	/* register device in global table */
 	platform_devices[device_count] = device;
 	device_count++;
+	return 0;
 }
 
 static void snd_mts64_detach(struct parport *p)
-- 
1.8.1.2