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authorCorey Minyard <cminyard@mvista.com>2016-11-07 07:37:06 -0700
committerCorey Minyard <cminyard@mvista.com>2016-11-24 18:09:39 -0600
commit1abf71eef32c7f242fe30ea66a635e297b2c1c8d (patch)
tree8c39c63e067dfb20cfb596a30ee12986b91748e1 /drivers/char
parentc11daf6a8fcc42d540ad6d7bb06a6a203de908b3 (diff)
Move platform device creation earlier in the initialization
Some logs are printed out early using smi->dev, but on a platform device that is not created until later. So move the creation of that device structure earlier in the sequence so it can be used for printing. Signed-off-by: Corey Minyard <cminyard@mvista.com> Tested-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/ipmi/ipmi_si_intf.c46
1 files changed, 31 insertions, 15 deletions
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index cb451088a4af..751c2815fc2a 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -3502,6 +3502,7 @@ static int try_smi_init(struct smi_info *new_smi)
{
int rv = 0;
int i;
+ char *init_name = NULL;
printk(KERN_INFO PFX "Trying %s-specified %s state"
" machine at %s address 0x%lx, slave address 0x%x,"
@@ -3531,6 +3532,26 @@ static int try_smi_init(struct smi_info *new_smi)
goto out_err;
}
+ /* Do this early so it's available for logs. */
+ if (!new_smi->dev) {
+ init_name = kasprintf(GFP_KERNEL, "ipmi_si.%d", 0);
+
+ /*
+ * If we don't already have a device from something
+ * else (like PCI), then register a new one.
+ */
+ new_smi->pdev = platform_device_alloc("ipmi_si",
+ new_smi->intf_num);
+ if (!new_smi->pdev) {
+ pr_err(PFX "Unable to allocate platform device\n");
+ goto out_err;
+ }
+ new_smi->dev = &new_smi->pdev->dev;
+ new_smi->dev->driver = &ipmi_driver.driver;
+ /* Nulled by device_add() */
+ new_smi->dev->init_name = init_name;
+ }
+
/* Allocate the state machine's data and initialize it. */
new_smi->si_sm = kmalloc(new_smi->handlers->size(), GFP_KERNEL);
if (!new_smi->si_sm) {
@@ -3604,21 +3625,7 @@ static int try_smi_init(struct smi_info *new_smi)
atomic_set(&new_smi->req_events, 1);
}
- if (!new_smi->dev) {
- /*
- * If we don't already have a device from something
- * else (like PCI), then register a new one.
- */
- new_smi->pdev = platform_device_alloc("ipmi_si",
- new_smi->intf_num);
- if (!new_smi->pdev) {
- printk(KERN_ERR PFX
- "Unable to allocate platform device\n");
- goto out_err;
- }
- new_smi->dev = &new_smi->pdev->dev;
- new_smi->dev->driver = &ipmi_driver.driver;
-
+ if (new_smi->pdev) {
rv = platform_device_add(new_smi->pdev);
if (rv) {
printk(KERN_ERR PFX
@@ -3668,6 +3675,9 @@ static int try_smi_init(struct smi_info *new_smi)
dev_info(new_smi->dev, "IPMI %s interface initialized\n",
si_to_str[new_smi->si_type]);
+ WARN_ON(new_smi->dev->init_name != NULL);
+ kfree(init_name);
+
return 0;
out_err_stop_timer:
@@ -3712,8 +3722,14 @@ out_err:
if (new_smi->dev_registered) {
platform_device_unregister(new_smi->pdev);
new_smi->dev_registered = false;
+ new_smi->pdev = NULL;
+ } else if (new_smi->pdev) {
+ platform_device_put(new_smi->pdev);
+ new_smi->pdev = NULL;
}
+ kfree(init_name);
+
return rv;
}