Re: [PATCH] 2.6.6 memory allocation checks indrivers/pci/hotplug/shpchprm_acpi.c

From: Randy.Dunlap
Date: Sun Jun 06 2004 - 13:00:01 EST


On Sun, 06 Jun 2004 19:20:51 +0300 Yury Umanets wrote:

| Adds memory allocation checks in acpi_get__hpp()
|
| ./linux-2.6.6-modified/drivers/pci/hotplug/shpchprm_acpi.c | 2 ++
| 1 files changed, 2 insertions(+)
|
| Signed-off-by: Yury Umanets <torque@xxxxxxxxxxx>
|
| diff -rupN ./linux-2.6.6/drivers/pci/hotplug/shpchprm_acpi.c
| ./linux-2.6.6-modified/drivers/pci/hotplug/shpchprm_acpi.c
| --- ./linux-2.6.6/drivers/pci/hotplug/shpchprm_acpi.c Mon May 10
| 05:32:28 2004
| +++ ./linux-2.6.6-modified/drivers/pci/hotplug/shpchprm_acpi.c Wed Jun
| 2 14:28:07 2004
| @@ -218,6 +218,8 @@ static void acpi_get__hpp ( struct acpi_
| }
|
| ab->_hpp = kmalloc (sizeof (struct acpi__hpp), GFP_KERNEL);
| + if (!ab->_hpp)
| + goto free_and_return;
| memset(ab->_hpp, 0, sizeof(struct acpi__hpp));
|
| ab->_hpp->cache_line_size = nui[0];
|
| --

All other failure paths in this function use err() to inform the
console about what's happening... so flip a coin, I guess:
add a message or say that ACPI already has too many messages. :(

--
~Randy
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