linux-kernel - [PATCH 01/17] ACPICA: Work around an ancient GCC bug.

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Message-Id: <241406a9c052e09c383b26eded49497a3749ae52.1406689494.git.lv.zheng@intel.com>
Date:	Wed, 30 Jul 2014 12:20:26 +0800
From:	Lv Zheng <lv.zheng@...el.com>
To:	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	Len Brown <len.brown@...el.com>
Cc:	Lv Zheng <lv.zheng@...el.com>, Lv Zheng <zetalog@...il.com>,
	<linux-kernel@...r.kernel.org>, linux-acpi@...r.kernel.org,
	Bob Moore <robert.moore@...el.com>
Subject: [PATCH 01/17] ACPICA: Work around an ancient GCC bug.

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

warning: cast from function call of type 'char *' to non-matching type 'long unsigned int'

Since acpi_ut_format_number() hasn't been enabled for the Linux kernel,
this patch doesn't affect the Linux kernel.

Signed-off-by: Bob Moore <robert.moore@...el.com>
Signed-off-by: Lv Zheng <lv.zheng@...el.com>
---
 drivers/acpi/acpica/utprint.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/acpi/acpica/utprint.c b/drivers/acpi/acpica/utprint.c
index 1031164..080e22a 100644
--- a/drivers/acpi/acpica/utprint.c
+++ b/drivers/acpi/acpica/utprint.c
@@ -242,6 +242,7 @@ static char *acpi_ut_format_number(char *string,
 				   u64 number,
 				   u8 base, s32 width, s32 precision, u8 type)
 {
+	char *pos;
 	char sign;
 	char zero;
 	u8 need_prefix;
@@ -289,9 +290,8 @@ static char *acpi_ut_format_number(char *string,
 
 	/* Generate full string in reverse order */
 
-	i = ACPI_PTR_DIFF(acpi_ut_put_number
-			  (reversed_string, number, base, upper),
-			  reversed_string);
+	pos = acpi_ut_put_number(reversed_string, number, base, upper);
+	i = ACPI_PTR_DIFF(pos, reversed_string);
 
 	/* Printing 100 using %2d gives "100", not "00" */
 
-- 
1.7.10

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