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ACPI: catch calls of acpi_driver_data on pointer of wrong type

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Catch attempts to use of acpi_driver_data on pointers of wrong type.

akpm: rewritten to use proper C typechecking and remove the
"function"-used-as-lvalue thing.

Signed-off-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Pavel Machek
2008-09-22 14:37:34 -07:00
committed by Len Brown
parent 9e113e0014
commit db89b4f0db
23 changed files with 34 additions and 30 deletions
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4
drivers/acpi/ec.c
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@@ -788,7 +788,7 @@ static int acpi_ec_add(struct acpi_device *device)
if (!first_ec)
first_ec = ec;
acpi_driver_data(device) = ec;
device->driver_data = ec;
acpi_ec_add_fs(device);
pr_info(PREFIX "GPE = 0x%lx, I/O: command/status = 0x%lx, data = 0x%lx\n",
ec->gpe, ec->command_addr, ec->data_addr);
@@ -813,7 +813,7 @@ static int acpi_ec_remove(struct acpi_device *device, int type)
}
mutex_unlock(&ec->lock);
acpi_ec_remove_fs(device);
acpi_driver_data(device) = NULL;
device->driver_data = NULL;
if (ec == first_ec)
first_ec = NULL;
kfree(ec);