[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/scsi/pcmcia/nsp_cs.c b/drivers/scsi/pcmcia/nsp_cs.c
index ce4d7d8..deec1c3 100644
--- a/drivers/scsi/pcmcia/nsp_cs.c
+++ b/drivers/scsi/pcmcia/nsp_cs.c
@@ -1593,10 +1593,11 @@
configure the card at this point -- we wait until we receive a
card insertion event.
======================================================================*/
-static int nsp_cs_attach(struct pcmcia_device *link)
+static int nsp_cs_probe(struct pcmcia_device *link)
{
scsi_info_t *info;
nsp_hw_data *data = &nsp_data_base;
+ int ret;
nsp_dbg(NSP_DEBUG_INIT, "in");
@@ -1630,10 +1631,10 @@
link->conf.Present = PRESENT_OPTION;
link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
- nsp_cs_config(link);
+ ret = nsp_cs_config(link);
nsp_dbg(NSP_DEBUG_INIT, "link=0x%p", link);
- return 0;
+ return ret;
} /* nsp_cs_attach */
@@ -1665,8 +1666,9 @@
#define CS_CHECK(fn, ret) \
do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
/*====================================================================*/
-static void nsp_cs_config(struct pcmcia_device *link)
+static int nsp_cs_config(struct pcmcia_device *link)
{
+ int ret;
scsi_info_t *info = link->priv;
tuple_t tuple;
cisparse_t parse;
@@ -1842,7 +1844,10 @@
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,74))
- scsi_add_host (host, NULL);
+ ret = scsi_add_host (host, NULL);
+ if (ret)
+ goto cs_failed;
+
scsi_scan_host(host);
snprintf(info->node.dev_name, sizeof(info->node.dev_name), "scsi%d", host->host_no);
@@ -1917,14 +1922,14 @@
printk("\n");
link->state &= ~DEV_CONFIG_PENDING;
- return;
+ return 0;
cs_failed:
nsp_dbg(NSP_DEBUG_INIT, "config fail");
cs_error(link, last_fn, last_ret);
nsp_cs_release(link);
- return;
+ return -ENODEV;
} /* nsp_cs_config */
#undef CS_CHECK
@@ -2033,7 +2038,7 @@
.drv = {
.name = "nsp_cs",
},
- .probe = nsp_cs_attach,
+ .probe = nsp_cs_probe,
.remove = nsp_cs_detach,
.id_table = nsp_cs_ids,
.suspend = nsp_cs_suspend,