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From: Yinghai Lu <yinghai@kernel.org>
To: Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	linux-pci@vger.kernel.org,
	ACPI Devel Maling List <linux-acpi@vger.kernel.org>
Subject: [PATCH 3/7] x86: fix alloc_mptable
Date: Wed, 06 May 2009 10:07:07 -0700	[thread overview]
Message-ID: <4A01C3BB.1000609@kernel.org> (raw)
In-Reply-To: <4A01C35C.7060207@kernel.org>


fix the condition checking.

[ Impact: make alloc_mptable working ]

Signed-off-by: Yinghai Lu <yinghai@kernel.org>

---
 arch/x86/kernel/mpparse.c |   15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

Index: linux-2.6/arch/x86/kernel/mpparse.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/mpparse.c
+++ linux-2.6/arch/x86/kernel/mpparse.c
@@ -873,21 +873,24 @@ inline void __init check_irq_src(struct
 static int check_slot(unsigned long mpc_new_phys, unsigned long mpc_new_length,
 		      int count)
 {
+	int ret = 0;
+
 	if (!mpc_new_phys) {
-		pr_info("No spare slots, try to append...take your risk, "
+		pr_warning("No spare slots, try to append...take your risk, "
 			"new mpc_length %x\n", count);
 	} else {
-		if (count <= mpc_new_length)
+		if (count <= mpc_new_length) {
 			pr_info("No spare slots, try to append..., "
 				"new mpc_length %x\n", count);
-		else {
+			ret = 1;
+		} else {
 			pr_err("mpc_new_length %lx is too small\n",
 				mpc_new_length);
-			return -1;
+			ret = -1;
 		}
 	}
 
-	return 0;
+	return ret;
 }
 
 static int  __init replace_intsrc_all(struct mpc_table *mpc,
@@ -946,7 +949,7 @@ static int  __init replace_intsrc_all(st
 		} else {
 			struct mpc_intsrc *m = (struct mpc_intsrc *)mpt;
 			count += sizeof(struct mpc_intsrc);
-			if (!check_slot(mpc_new_phys, mpc_new_length, count))
+			if (check_slot(mpc_new_phys, mpc_new_length, count) < 0)
 				goto out;
 			assign_to_mpc_intsrc(&mp_irqs[i], m);
 			mpc->length = count;

  parent reply	other threads:[~2009-05-06 17:07 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-06 17:05 [PATCH 1/7] x86/acpi: remove compress irq trick for 32bit Yinghai Lu
2009-05-06 17:06 ` [PATCH 2/7] x86/acpi: calling mp_config_acpi_gsi in mp_register_gsi -v2 Yinghai Lu
2009-05-14 16:20   ` Len Brown
2009-05-14 17:43     ` Yinghai Lu
2009-05-06 17:07 ` Yinghai Lu [this message]
2009-05-11  8:22   ` [PATCH 3/7] x86: fix alloc_mptable Ingo Molnar
2009-05-06 17:07 ` [PATCH 4/7] x86/acpi: move pin_programmed bit map to io_apic.c Yinghai Lu
2009-05-06 17:08 ` [PATCH 5/7] x86/pci: add 4 more return param in IO_APIC_get_PCI_irq_vector Yinghai Lu
2009-05-07 14:10   ` Ingo Molnar
2009-05-11  8:28   ` Ingo Molnar
2009-05-11 19:40     ` Yinghai Lu
2009-05-11 21:37       ` Ingo Molnar
2009-05-11 22:55         ` [PATCH] x86: introduce io_apic_irq_attr -v2 Yinghai Lu
2009-05-12 10:32           ` Ingo Molnar
2009-05-12 15:17             ` Yinghai Lu
2009-05-12 18:02             ` Yinghai Lu
2009-05-11  9:05   ` [PATCH 5/7] x86/pci: add 4 more return param in IO_APIC_get_PCI_irq_vector Ingo Molnar
2009-05-06 17:08 ` [PATCH 6/7] x86/acpi: move setup io apic routing out of ACPI macro scope Yinghai Lu
2009-05-06 17:10 ` [PATCH 7/7] x86/pci: update pirq_enable_irq to setup io apic routing -v2 Yinghai Lu
2009-05-07 14:12   ` Ingo Molnar
2009-05-07 16:52     ` Jesse Barnes
2009-05-11  7:49       ` Ingo Molnar

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