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authorPavel Machek <pavel@suse.cz>2008-09-22 14:37:34 -0700
committerLen Brown <len.brown@intel.com>2008-10-10 18:05:53 -0400
commitdb89b4f0dbab837d0f3de2c3e9427a8d5393afa3 (patch)
treee664a0af46cb02d91c699015268d4fa10a6ce190 /include/acpi
parent9e113e0014204bfb44a2baa29b2a141ede41b074 (diff)
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ACPI: catch calls of acpi_driver_data on pointer of wrong type
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>
Diffstat (limited to 'include/acpi')
-rw-r--r--include/acpi/acpi_bus.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index a5ac0bc7f52e..47682465f1f5 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -300,7 +300,11 @@ struct acpi_device {
enum acpi_bus_removal_type removal_type; /* indicate for different removal type */
};
-#define acpi_driver_data(d) ((d)->driver_data)
+static inline void *acpi_driver_data(struct acpi_device *d)
+{
+ return d->driver_data;
+}
+
#define to_acpi_device(d) container_of(d, struct acpi_device, dev)
#define to_acpi_driver(d) container_of(d, struct acpi_driver, drv)