[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>
diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c
index 79b8ad0..22dce9d 100644
--- a/drivers/char/pcmcia/cm4000_cs.c
+++ b/drivers/char/pcmcia/cm4000_cs.c
@@ -1759,7 +1759,7 @@
/*==== Interface to PCMCIA Layer =======================================*/
-static void cm4000_config(struct pcmcia_device * link, int devno)
+static int cm4000_config(struct pcmcia_device * link, int devno)
{
struct cm4000_dev *dev;
tuple_t tuple;
@@ -1846,7 +1846,7 @@
link->dev_node = &dev->node;
link->state &= ~DEV_CONFIG_PENDING;
- return;
+ return 0;
cs_failed:
cs_error(link, fail_fn, fail_rc);
@@ -1854,6 +1854,7 @@
cm4000_release(link);
link->state &= ~DEV_CONFIG_PENDING;
+ return -ENODEV;
}
static int cm4000_suspend(struct pcmcia_device *link)
@@ -1883,10 +1884,10 @@
pcmcia_disable_device(link);
}
-static int cm4000_attach(struct pcmcia_device *link)
+static int cm4000_probe(struct pcmcia_device *link)
{
struct cm4000_dev *dev;
- int i;
+ int i, ret;
for (i = 0; i < CM4000_MAX_DEV; i++)
if (dev_table[i] == NULL)
@@ -1913,7 +1914,9 @@
init_waitqueue_head(&dev->readq);
link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
- cm4000_config(link, i);
+ ret = cm4000_config(link, i);
+ if (ret)
+ return ret;
class_device_create(cmm_class, NULL, MKDEV(major, i), NULL,
"cmm%d", i);
@@ -1968,7 +1971,7 @@
.drv = {
.name = "cm4000_cs",
},
- .probe = cm4000_attach,
+ .probe = cm4000_probe,
.remove = cm4000_detach,
.suspend = cm4000_suspend,
.resume = cm4000_resume,