From: Andrew Morton <akpm@linux-foundation.org>

arch/i386/kernel/quirks.c: In function 'ich_force_enable_hpet':
arch/i386/kernel/quirks.c:94: warning: 'rcba' is used uninitialized in this function

Cc: Andi Kleen <ak@suse.de>
Cc: Greg KH <greg@kroah.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Cc: Venki Pallipadi <venkatesh.pallipadi@intel.com>
Cc: john stultz <johnstul@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 arch/i386/kernel/quirks.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletion(-)

diff -puN arch/i386/kernel/quirks.c~ich-force-hpet-ich7-or-later-quirk-to-force-detect-enable-fix arch/i386/kernel/quirks.c
--- a/arch/i386/kernel/quirks.c~ich-force-hpet-ich7-or-later-quirk-to-force-detect-enable-fix
+++ a/arch/i386/kernel/quirks.c
@@ -83,7 +83,8 @@ void ich_force_hpet_resume(void)
 
 static void ich_force_enable_hpet(struct pci_dev *dev)
 {
-	u32 val, rcba;
+	u32 val;
+	u32 uninitialized_var(rcba);
 	int err = 0;
 
 	if (hpet_address || force_hpet_address)
_