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path: root/drivers/hwmon/smsc47m1.c
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Diffstat (limited to 'drivers/hwmon/smsc47m1.c')
-rw-r--r--drivers/hwmon/smsc47m1.c19
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/hwmon/smsc47m1.c b/drivers/hwmon/smsc47m1.c
index c590c146979..b5aa38dd7ab 100644
--- a/drivers/hwmon/smsc47m1.c
+++ b/drivers/hwmon/smsc47m1.c
@@ -491,10 +491,10 @@ static const struct attribute_group smsc47m1_group = {
.attrs = smsc47m1_attributes,
};
-static int __init smsc47m1_find(unsigned short *addr,
- struct smsc47m1_sio_data *sio_data)
+static int __init smsc47m1_find(struct smsc47m1_sio_data *sio_data)
{
u8 val;
+ unsigned short addr;
superio_enter();
val = force_id ? force_id : superio_inb(SUPERIO_REG_DEVID);
@@ -546,9 +546,9 @@ static int __init smsc47m1_find(unsigned short *addr,
}
superio_select();
- *addr = (superio_inb(SUPERIO_REG_BASE) << 8)
+ addr = (superio_inb(SUPERIO_REG_BASE) << 8)
| superio_inb(SUPERIO_REG_BASE + 1);
- if (*addr == 0) {
+ if (addr == 0) {
pr_info("Device address not set, will not use\n");
superio_exit();
return -ENODEV;
@@ -565,7 +565,7 @@ static int __init smsc47m1_find(unsigned short *addr,
}
superio_exit();
- return 0;
+ return addr;
}
/* Restore device to its initial state */
@@ -938,13 +938,15 @@ static int __init sm_smsc47m1_init(void)
unsigned short address;
struct smsc47m1_sio_data sio_data;
- if (smsc47m1_find(&address, &sio_data))
- return -ENODEV;
+ err = smsc47m1_find(&sio_data);
+ if (err < 0)
+ return err;
+ address = err;
/* Sets global pdev as a side effect */
err = smsc47m1_device_add(address, &sio_data);
if (err)
- goto exit;
+ return err;
err = platform_driver_probe(&smsc47m1_driver, smsc47m1_probe);
if (err)
@@ -955,7 +957,6 @@ static int __init sm_smsc47m1_init(void)
exit_device:
platform_device_unregister(pdev);
smsc47m1_restore(&sio_data);
-exit:
return err;
}