linux-kernel - [PATCH 06/50] ACPICA: Add error msg for Index/Bank field registers out-of-range

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Date:	Tue, 17 Jan 2012 07:20:58 -0500
From:	Len Brown <lenb@...nel.org>
To:	linux-acpi@...r.kernel.org, linux-pm@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org
Cc:	Bob Moore <robert.moore@...el.com>,
	Lin Ming <ming.m.lin@...el.com>,
	Len Brown <len.brown@...el.com>
Subject: [PATCH 06/50] ACPICA: Add error msg for Index/Bank field registers
 out-of-range

From: Bob Moore <robert.moore@...el.com>

Supplement the exception code with an actual message.

Found during ACPICA debugging.

Signed-off-by: Bob Moore <robert.moore@...el.com>
Signed-off-by: Lin Ming <ming.m.lin@...el.com>
Signed-off-by: Len Brown <len.brown@...el.com>
---
 drivers/acpi/acpica/exfldio.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/drivers/acpi/acpica/exfldio.c b/drivers/acpi/acpica/exfldio.c
index f915a7f..19df8ce 100644
--- a/drivers/acpi/acpica/exfldio.c
+++ b/drivers/acpi/acpica/exfldio.c
@@ -316,6 +316,7 @@ acpi_ex_access_region(union acpi_operand_object *obj_desc,
 static u8
 acpi_ex_register_overflow(union acpi_operand_object *obj_desc, u64 value)
 {
+	ACPI_FUNCTION_NAME(ex_register_overflow);
 
 	if (obj_desc->common_field.bit_length >= ACPI_INTEGER_BIT_SIZE) {
 		/*
@@ -330,6 +331,11 @@ acpi_ex_register_overflow(union acpi_operand_object *obj_desc, u64 value)
 		 * The Value is larger than the maximum value that can fit into
 		 * the register.
 		 */
+		ACPI_ERROR((AE_INFO,
+			    "Index value 0x%8.8X%8.8X overflows field width 0x%X",
+			    ACPI_FORMAT_UINT64(value),
+			    obj_desc->common_field.bit_length));
+
 		return (TRUE);
 	}
 
-- 
1.7.9.rc1

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