diff options
| author | Dominik Brodowski <linux@dominikbrodowski.net> | 2006-03-31 17:26:06 +0200 |
|---|---|---|
| committer | Dominik Brodowski <linux@dominikbrodowski.net> | 2006-03-31 17:26:06 +0200 |
| commit | 15b99ac1729503db9e6dc642a50b9b6cb3bf51f9 (patch) | |
| tree | cfb8897487beba502aac2b28bc35066a87e34299 /drivers/char/pcmcia/cm4040_cs.c | |
| parent | fba395eee7d3f342ca739c20f5b3ee635d0420a0 (diff) | |
[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>
Diffstat (limited to 'drivers/char/pcmcia/cm4040_cs.c')
| -rw-r--r-- | drivers/char/pcmcia/cm4040_cs.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c index 8334226e103c..6ccca8cbabc1 100644 --- a/drivers/char/pcmcia/cm4040_cs.c +++ b/drivers/char/pcmcia/cm4040_cs.c @@ -514,7 +514,7 @@ static void cm4040_reader_release(struct pcmcia_device *link) return; } -static void reader_config(struct pcmcia_device *link, int devno) +static int reader_config(struct pcmcia_device *link, int devno) { struct reader_dev *dev; tuple_t tuple; @@ -610,13 +610,14 @@ static void reader_config(struct pcmcia_device *link, int devno) link->io.BasePort1, link->io.BasePort1+link->io.NumPorts1); DEBUGP(2, dev, "<- reader_config (succ)\n"); - return; + return 0; cs_failed: cs_error(link, fail_fn, fail_rc); cs_release: reader_release(link); link->state &= ~DEV_CONFIG_PENDING; + return -ENODEV; } static void reader_release(struct pcmcia_device *link) @@ -625,10 +626,10 @@ static void reader_release(struct pcmcia_device *link) pcmcia_disable_device(link); } -static int reader_attach(struct pcmcia_device *link) +static int reader_probe(struct pcmcia_device *link) { struct reader_dev *dev; - int i; + int i, ret; for (i = 0; i < CM_MAX_DEV; i++) { if (dev_table[i] == NULL) @@ -659,7 +660,9 @@ static int reader_attach(struct pcmcia_device *link) dev->poll_timer.function = &cm4040_do_poll; link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - reader_config(link, i); + ret = reader_config(link, i); + if (ret) + return ret; class_device_create(cmx_class, NULL, MKDEV(major, i), NULL, "cmx%d", i); @@ -715,7 +718,7 @@ static struct pcmcia_driver reader_driver = { .drv = { .name = "cm4040_cs", }, - .probe = reader_attach, + .probe = reader_probe, .remove = reader_detach, .id_table = cm4040_ids, }; |