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Message-ID: <20060824214233.GA5204@martell.zuzino.mipt.ru>
Date: Fri, 25 Aug 2006 01:42:33 +0400
From: Alexey Dobriyan <adobriyan@...il.com>
To: Andrew Morton <akpm@...l.org>
Cc: Darren Jenkins <darrenrjenkins@...il.com>,
linux-kernel@...r.kernel.org, kernel-janitors@...ts.osdl.org
Subject: [PATCH 1/2] asus_acpi: fix proc files parsing
From: Darren Jenkins <darrenrjenkins@...il.com>
ICC complains about a "Pointless comparsion of unsigned interger with
zero" @ line 760 & 808 of asus_acpi.c
parse_arg() mentioned below returns -E but it's copied into unsigned variable...
Signed-off-by: Darren Jenkins <darrenrjenkins@...il.com>
Signed-off-by: Alexey Dobriyan <adobriyan@...il.com>
---
drivers/acpi/asus_acpi.c | 46 +++++++++++++++++++++++-----------------------
1 file changed, 23 insertions(+), 23 deletions(-)
--- a/drivers/acpi/asus_acpi.c
+++ b/drivers/acpi/asus_acpi.c
@@ -555,11 +555,11 @@ static int
write_led(const char __user * buffer, unsigned long count,
char *ledname, int ledmask, int invert)
{
- int value;
+ int rv, value;
int led_out = 0;
- count = parse_arg(buffer, count, &value);
- if (count > 0)
+ rv = parse_arg(buffer, count, &value);
+ if (rv > 0)
led_out = value ? 1 : 0;
hotk->status =
@@ -572,7 +572,7 @@ write_led(const char __user * buffer, un
printk(KERN_WARNING "Asus ACPI: LED (%s) write failed\n",
ledname);
- return count;
+ return rv;
}
/*
@@ -607,20 +607,20 @@ static int
proc_write_ledd(struct file *file, const char __user * buffer,
unsigned long count, void *data)
{
- int value;
+ int rv, value;
- count = parse_arg(buffer, count, &value);
- if (count > 0) {
+ rv = parse_arg(buffer, count, &value);
+ if (rv > 0) {
if (!write_acpi_int
(hotk->handle, hotk->methods->mt_ledd, value, NULL))
printk(KERN_WARNING
"Asus ACPI: LED display write failed\n");
else
hotk->ledd_status = (u32) value;
- } else if (count < 0)
+ } else if (rv < 0)
printk(KERN_WARNING "Asus ACPI: Error reading user input\n");
- return count;
+ return rv;
}
/*
@@ -761,12 +761,12 @@ static int
proc_write_lcd(struct file *file, const char __user * buffer,
unsigned long count, void *data)
{
- int value;
+ int rv, value;
- count = parse_arg(buffer, count, &value);
- if (count > 0)
+ rv = parse_arg(buffer, count, &value);
+ if (rv > 0)
set_lcd_state(value);
- return count;
+ return rv;
}
static int read_brightness(void)
@@ -830,18 +830,18 @@ static int
proc_write_brn(struct file *file, const char __user * buffer,
unsigned long count, void *data)
{
- int value;
+ int rv, value;
- count = parse_arg(buffer, count, &value);
- if (count > 0) {
+ rv = parse_arg(buffer, count, &value);
+ if (rv > 0) {
value = (0 < value) ? ((15 < value) ? 15 : value) : 0;
/* 0 <= value <= 15 */
set_brightness(value);
- } else if (count < 0) {
+ } else if (rv < 0) {
printk(KERN_WARNING "Asus ACPI: Error reading user input\n");
}
- return count;
+ return rv;
}
static void set_display(int value)
@@ -880,15 +880,15 @@ static int
proc_write_disp(struct file *file, const char __user * buffer,
unsigned long count, void *data)
{
- int value;
+ int rv, value;
- count = parse_arg(buffer, count, &value);
- if (count > 0)
+ rv = parse_arg(buffer, count, &value);
+ if (rv > 0)
set_display(value);
- else if (count < 0)
+ else if (rv < 0)
printk(KERN_WARNING "Asus ACPI: Error reading user input\n");
- return count;
+ return rv;
}
typedef int (proc_readfunc) (char *page, char **start, off_t off, int count,
-
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