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ipmi_si: Fix error handling of platform device 

Cleanup of platform devices created by the IPMI driver was not
being done correctly and could result in a memory leak.  So
create a local boolean to know how to clean up those platform
devices.

Reported-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
This commit is contained in:
Corey Minyard 2017-11-27 08:18:33 -06:00
parent 7195a5a6da
commit 174134ac76
1 changed files with 6 additions and 3 deletions
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9
drivers/char/ipmi/ipmi_si_intf.c
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@ -2045,6 +2045,7 @@ static int try_smi_init(struct smi_info *new_smi)
int rv = 0;
int i;
char *init_name = NULL;
bool platform_device_registered = false;
pr_info(PFX "Trying %s-specified %s state machine at %s address 0x%lx, slave address 0x%x, irq %d\n",
ipmi_addr_src_to_str(new_smi->io.addr_source),
@ -2173,6 +2174,7 @@ static int try_smi_init(struct smi_info *new_smi)
rv);
goto out_err;
}
platform_device_registered = true;
}
dev_set_drvdata(new_smi->io.dev, new_smi);
@ -2279,10 +2281,11 @@ static int try_smi_init(struct smi_info *new_smi)
}
if (new_smi->pdev) {
platform_device_unregister(new_smi->pdev);
if (platform_device_registered)
platform_device_unregister(new_smi->pdev);
else
platform_device_put(new_smi->pdev);
new_smi->pdev = NULL;
} else if (new_smi->pdev) {
platform_device_put(new_smi->pdev);
}
kfree(init_name);