[RESEND] [PATCH] Replace the dangerous EVT_TO_HPET_DEV macro with an inline function

[Ferenc Wagner]

The original macro worked only when applied to variables named 'evt'.
While this could have been fixed by simply renaming the macro argument,
a more type-safe replacement is preferred.

Signed-off-by: Ferenc Wagner <wferi@xxxxxxx>
---
 arch/x86/kernel/hpet.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index b946a9e..52aae9a 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -32,8 +32,6 @@
 #define HPET_MIN_CYCLES			128
 #define HPET_MIN_PROG_DELTA		(HPET_MIN_CYCLES + (HPET_MIN_CYCLES >> 1))
 
-#define EVT_TO_HPET_DEV(evt) container_of(evt, struct hpet_dev, evt)
-
 /*
  * HPET address is set in acpi/boot.c, when an ACPI entry exists
  */
@@ -55,6 +53,11 @@ struct hpet_dev {
 	char				name[10];
 };
 
+inline struct hpet_dev *EVT_TO_HPET_DEV(struct clock_event_device *evtdev)
+{
+	return container_of(evtdev, struct hpet_dev, evt);
+}
+
 inline unsigned int hpet_readl(unsigned int a)
 {
 	return readl(hpet_virt_address + a);
-- 
1.6.5

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