[PATCH] Fix warning in powernow-k8.c

powernow-k8.c: In function `query_current_values_with_pending_wait':
powernow-k8.c:110: warning: `hi' may be used uninitialized in this function
Signed-off-by: Brian Gerst <bgerst@didntduck.org>
Cc: Dave Jones <davej@codemonkey.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/i386/kernel/cpu/cpufreq/powernow-k8.c

@@ -110,14 +110,13 @@ static int query_current_values_with_pending_wait(struct powernow_k8_data *data)
 	u32 lo, hi;
 	u32 i = 0;
 
-	lo = MSR_S_LO_CHANGE_PENDING;
-	while (lo & MSR_S_LO_CHANGE_PENDING) {
+	do {
 		if (i++ > 0x1000000) {
 			printk(KERN_ERR PFX "detected change pending stuck\n");
 			return 1;
 		}
 		rdmsr(MSR_FIDVID_STATUS, lo, hi);
-	}
+	} while (lo & MSR_S_LO_CHANGE_PENDING);
 
 	data->currvid = hi & MSR_S_HI_CURRENT_VID;
 	data->currfid = lo & MSR_S_LO_CURRENT_FID;