[PATCH] pcmcia: add return value to _config() functions

Most of the driver initialization isn't done in the .probe function, but in
the internal _config() functions. Make them return a value, so that .probe
can properly report whether the probing of the device succeeded or not.

Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>

2 files changed, 15 insertions, 17 deletions

diff --git a/sound/pcmcia/pdaudiocf/pdaudiocf.c b/sound/pcmcia/pdaudiocf/pdaudiocf.c
index 0431b8b0c1f5..923b1d0c2f1b 100644
--- a/sound/pcmcia/pdaudiocf/pdaudiocf.c
+++ b/sound/pcmcia/pdaudiocf/pdaudiocf.c
@@ -57,7 +57,7 @@ static struct snd_card *card_list[SNDRV_CARDS];
 /*
  * prototypes
  */
-static void pdacf_config(struct pcmcia_device *link);
+static int pdacf_config(struct pcmcia_device *link);
 static void snd_pdacf_detach(struct pcmcia_device *p_dev);
 
 static void pdacf_release(struct pcmcia_device *link)
@@ -90,7 +90,7 @@ static int snd_pdacf_dev_free(struct snd_device *device)
 /*
  * snd_pdacf_attach - attach callback for cs
  */
-static int snd_pdacf_attach(struct pcmcia_device *link)
+static int snd_pdacf_probe(struct pcmcia_device *link)
 {
 	int i;
 	struct snd_pdacf *pdacf;
@@ -149,9 +149,7 @@ static int snd_pdacf_attach(struct pcmcia_device *link)
 	link->conf.ConfigIndex = 1;
 	link->conf.Present = PRESENT_OPTION;
 
-	pdacf_config(link);
-
-	return 0;
+	return pdacf_config(link);
 }
 
 
@@ -218,7 +216,7 @@ static void snd_pdacf_detach(struct pcmcia_device *link)
 #define CS_CHECK(fn, ret) \
 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
 
-static void pdacf_config(struct pcmcia_device *link)
+static int pdacf_config(struct pcmcia_device *link)
 {
 	struct snd_pdacf *pdacf = link->priv;
 	tuple_t tuple;
@@ -230,7 +228,7 @@ static void pdacf_config(struct pcmcia_device *link)
 	parse = kmalloc(sizeof(*parse), GFP_KERNEL);
 	if (! parse) {
 		snd_printk(KERN_ERR "pdacf_config: cannot allocate\n");
-		return;
+		return -ENOMEM;
 	}
 	tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
 	tuple.Attributes = 0;
@@ -257,12 +255,13 @@ static void pdacf_config(struct pcmcia_device *link)
 
 	link->dev_node = &pdacf->node;
 	link->state &= ~DEV_CONFIG_PENDING;
-	return;
+	return 0;
 
 cs_failed:
 	cs_error(link, last_fn, last_ret);
 failed:
 	pcmcia_disable_device(link);
+	return -ENODEV;
 }
 
 #ifdef CONFIG_PM
@@ -312,7 +311,7 @@ static struct pcmcia_driver pdacf_cs_driver = {
 	.drv		= {
 		.name	= "snd-pdaudiocf",
 	},
-	.probe		= snd_pdacf_attach,
+	.probe		= snd_pdacf_probe,
 	.remove		= snd_pdacf_detach,
 	.id_table	= snd_pdacf_ids,
 #ifdef CONFIG_PM
diff --git a/sound/pcmcia/vx/vxpocket.c b/sound/pcmcia/vx/vxpocket.c
index f6eed4259d17..4004b35e8af5 100644
--- a/sound/pcmcia/vx/vxpocket.c
+++ b/sound/pcmcia/vx/vxpocket.c
@@ -208,7 +208,7 @@ static int snd_vxpocket_assign_resources(struct vx_core *chip, int port, int irq
 #define CS_CHECK(fn, ret) \
 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
 
-static void vxpocket_config(struct pcmcia_device *link)
+static int vxpocket_config(struct pcmcia_device *link)
 {
 	struct vx_core *chip = link->priv;
 	struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
@@ -221,7 +221,7 @@ static void vxpocket_config(struct pcmcia_device *link)
 	parse = kmalloc(sizeof(*parse), GFP_KERNEL);
 	if (! parse) {
 		snd_printk(KERN_ERR "vx: cannot allocate\n");
-		return;
+		return -ENOMEM;
 	}
 	tuple.Attributes = 0;
 	tuple.TupleData = (cisdata_t *)buf;
@@ -265,13 +265,14 @@ static void vxpocket_config(struct pcmcia_device *link)
 	link->dev_node = &vxp->node;
 	link->state &= ~DEV_CONFIG_PENDING;
 	kfree(parse);
-	return;
+	return 9;
 
 cs_failed:
 	cs_error(link, last_fn, last_ret);
 failed:
 	pcmcia_disable_device(link);
 	kfree(parse);
+	return -ENODEV;
 }
 
 #ifdef CONFIG_PM
@@ -311,7 +312,7 @@ static int vxp_resume(struct pcmcia_device *link)
 
 /*
  */
-static int vxpocket_attach(struct pcmcia_device *p_dev)
+static int vxpocket_probe(struct pcmcia_device *p_dev)
 {
 	struct snd_card *card;
 	struct snd_vxpocket *vxp;
@@ -349,9 +350,7 @@ static int vxpocket_attach(struct pcmcia_device *p_dev)
 	vxp->p_dev = p_dev;
 	vxp->p_dev->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
 
-	vxpocket_config(p_dev);
-
-	return 0;
+	return vxpocket_config(p_dev);
 }
 
 static void vxpocket_detach(struct pcmcia_device *link)
@@ -387,7 +386,7 @@ static struct pcmcia_driver vxp_cs_driver = {
 	.drv		= {
 		.name	= "snd-vxpocket",
 	},
-	.probe		= vxpocket_attach,
+	.probe		= vxpocket_probe,
 	.remove		= vxpocket_detach,
 	.id_table	= vxp_ids,
 #ifdef CONFIG_PM