linux-kernel - [PATCH 05/50] ACPICA: Add error msg for unsupported I/O requests (not 8/16/32 bit length)

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Date:	Tue, 17 Jan 2012 07:20:57 -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 05/50] ACPICA: Add error msg for unsupported I/O requests (not
 8/16/32 bit length)

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

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/hwvalid.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/acpi/acpica/hwvalid.c b/drivers/acpi/acpica/hwvalid.c
index 5f16058..f8fbea9 100644
--- a/drivers/acpi/acpica/hwvalid.c
+++ b/drivers/acpi/acpica/hwvalid.c
@@ -134,6 +134,8 @@ acpi_hw_validate_io_request(acpi_io_address address, u32 bit_width)
 	/* Supported widths are 8/16/32 */
 
 	if ((bit_width != 8) && (bit_width != 16) && (bit_width != 32)) {
+		ACPI_ERROR((AE_INFO,
+			    "Bad BitWidth parameter: %8.8X", bit_width));
 		return AE_BAD_PARAMETER;
 	}
 
-- 
1.7.9.rc1

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