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Subject[PATCH 4/4] ipmi: Cleanup error return
Date
From: Corey Minyard <cminyard@mvista.com>

Return proper errors for a lot of IPMI failure cases. Also call
pci_disable_device when IPMI PCI devices are removed.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
---
drivers/char/ipmi/ipmi_si_intf.c | 44 ++++++++++++++++++++++++++--------------
1 file changed, 29 insertions(+), 15 deletions(-)

diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index a5e048f..671c385 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -1849,11 +1849,15 @@ static int hotmod_handler(const char *val, struct kernel_param *kp)
info->irq_setup = std_irq_setup;
info->slave_addr = ipmb;

- if (!add_smi(info)) {
- if (try_smi_init(info))
- cleanup_one_si(info);
- } else {
+ rv = add_smi(info);
+ if (rv) {
kfree(info);
+ goto out;
+ }
+ rv = try_smi_init(info);
+ if (rv) {
+ cleanup_one_si(info);
+ goto out;
}
} else {
/* remove */
@@ -2067,6 +2071,7 @@ struct SPMITable {
static int try_init_spmi(struct SPMITable *spmi)
{
struct smi_info *info;
+ int rv;

if (spmi->IPMIlegacy != 1) {
printk(KERN_INFO PFX "Bad SPMI legacy %d\n", spmi->IPMIlegacy);
@@ -2141,10 +2146,11 @@ static int try_init_spmi(struct SPMITable *spmi)
info->io.addr_data, info->io.regsize, info->io.regspacing,
info->irq);

- if (add_smi(info))
+ rv = add_smi(info);
+ if (rv)
kfree(info);

- return 0;
+ return rv;
}

static void spmi_find_bmc(void)
@@ -2178,6 +2184,7 @@ static int ipmi_pnp_probe(struct pnp_dev *dev,
acpi_handle handle;
acpi_status status;
unsigned long long tmp;
+ int rv;

acpi_dev = pnp_acpi_device(dev);
if (!acpi_dev)
@@ -2259,10 +2266,11 @@ static int ipmi_pnp_probe(struct pnp_dev *dev,
res, info->io.regsize, info->io.regspacing,
info->irq);

- if (add_smi(info))
- goto err_free;
+ rv = add_smi(info);
+ if (rv)
+ kfree(info);

- return 0;
+ return rv;

err_free:
kfree(info);
@@ -2566,16 +2574,20 @@ static int ipmi_pci_probe(struct pci_dev *pdev,
&pdev->resource[0], info->io.regsize, info->io.regspacing,
info->irq);

- if (add_smi(info))
+ rv = add_smi(info);
+ if (rv) {
kfree(info);
+ pci_disable_device(pdev);
+ }

- return 0;
+ return rv;
}

static void ipmi_pci_remove(struct pci_dev *pdev)
{
struct smi_info *info = pci_get_drvdata(pdev);
cleanup_one_si(info);
+ pci_disable_device(pdev);
}

static struct pci_device_id ipmi_pci_devices[] = {
@@ -2670,9 +2682,10 @@ static int ipmi_probe(struct platform_device *dev)

dev_set_drvdata(&dev->dev, info);

- if (add_smi(info)) {
+ ret = add_smi(info);
+ if (ret) {
kfree(info);
- return -EBUSY;
+ return ret;
}
#endif
return 0;
@@ -2736,9 +2749,10 @@ static int ipmi_parisc_probe(struct parisc_device *dev)

dev_set_drvdata(&dev->dev, info);

- if (add_smi(info)) {
+ rv = add_smi(info);
+ if (rv) {
kfree(info);
- return -EBUSY;
+ return rv;
}

return 0;
--
1.8.3.1


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