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nexedi
linux
Commits
cd7c3f0e
Commit
cd7c3f0e
authored
Jan 10, 2003
by
Dave Jones
Committed by
Dave Jones
Jan 10, 2003
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[WATCHDOG] wdt977 nowayout fixes from 2.4
parent
ac8173fa
Changes
1
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18 additions
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0 deletions
+18
-0
drivers/char/watchdog/wdt977.c
drivers/char/watchdog/wdt977.c
+18
-0
No files found.
drivers/char/watchdog/wdt977.c
View file @
cd7c3f0e
...
@@ -41,6 +41,7 @@ static int timeout = DEFAULT_TIMEOUT*60; /* TO in seconds from user */
...
@@ -41,6 +41,7 @@ static int timeout = DEFAULT_TIMEOUT*60; /* TO in seconds from user */
static
int
timeoutM
=
DEFAULT_TIMEOUT
;
/* timeout in minutes */
static
int
timeoutM
=
DEFAULT_TIMEOUT
;
/* timeout in minutes */
static
unsigned
long
timer_alive
;
static
unsigned
long
timer_alive
;
static
int
testmode
;
static
int
testmode
;
static
int
expect_close
=
0
;
MODULE_PARM
(
timeout
,
"i"
);
MODULE_PARM
(
timeout
,
"i"
);
MODULE_PARM_DESC
(
timeout
,
"Watchdog timeout in seconds (60..15300), default=60"
);
MODULE_PARM_DESC
(
timeout
,
"Watchdog timeout in seconds (60..15300), default=60"
);
...
@@ -196,6 +197,8 @@ static int wdt977_release(struct inode *inode, struct file *file)
...
@@ -196,6 +197,8 @@ static int wdt977_release(struct inode *inode, struct file *file)
clear_bit
(
0
,
&
timer_alive
);
clear_bit
(
0
,
&
timer_alive
);
printk
(
KERN_INFO
"Wdt977 Watchdog: shutdown
\n
"
);
printk
(
KERN_INFO
"Wdt977 Watchdog: shutdown
\n
"
);
}
else
{
printk
(
KERN_CRIT
"WDT device closed unexpectedly. WDT will not stop!
\n
"
);
}
}
return
0
;
return
0
;
}
}
...
@@ -220,6 +223,21 @@ static ssize_t wdt977_write(struct file *file, const char *buf, size_t count, lo
...
@@ -220,6 +223,21 @@ static ssize_t wdt977_write(struct file *file, const char *buf, size_t count, lo
if
(
count
)
if
(
count
)
{
{
if
(
!
nowayout
)
{
size_t
i
;
/* In case it was set long ago */
expect_close
=
0
;
for
(
i
=
0
;
i
!=
len
;
i
++
)
{
char
c
;
if
(
get_user
(
c
,
data
+
i
))
return
-
EFAULT
;
if
(
c
==
'V'
)
expect_close
=
1
;
}
}
kick_wdog
();
kick_wdog
();
return
1
;
return
1
;
}
}
...
...
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