Re: [PATCH -tip/master] x86: io-apic - interrupt remapping fix

[Cyrill Gorcunov]

[Suresh Siddha - Tue, Sep 23, 2008 at 11:34:12AM -0700]
...
| 
| This is too confusing. Please change it to something simple, like:
| 
| 	for (i = 0; i < apic; i++)
| 		kfree(early_ioapic_entries[i]);
| 
| or
| 
| 	for (apic = 0; apic < nr_ioapics; apic++)
| 		kfree(early_ioapic_entries[apic]);
| 
| thanks,
| suresh
| 

Suresh,

what about this one?

		- Cyrill -
---
From: Cyrill Gorcunov <gorcunov@xxxxxxxxx>

Clean up obscure for() cycle with straight while() form

Signed-off-by: Cyrill Gorcunov <gorcunov@xxxxxxxxx>
CC: Suresh Siddha <suresh.b.siddha@xxxxxxxxx>
---

Index: linux-2.6.git/arch/x86/kernel/io_apic.c
===================================================================
--- linux-2.6.git.orig/arch/x86/kernel/io_apic.c	2008-09-22 17:42:33.000000000 +0400
+++ linux-2.6.git/arch/x86/kernel/io_apic.c	2008-09-23 22:45:58.000000000 +0400
@@ -830,9 +830,8 @@ int save_mask_IO_APIC_setup(void)
 	return 0;
 
 nomem:
-	for (; apic > 0; apic--)
-		kfree(early_ioapic_entries[apic]);
-	kfree(early_ioapic_entries[apic]);
+	while (apic >= 0)
+		kfree(early_ioapic_entries[apic--]);
 	memset(early_ioapic_entries, 0,
 		ARRAY_SIZE(early_ioapic_entries));
 
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