[PATCH] __user annotations (booke_wdt.c)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/char/watchdog/booke_wdt.c b/drivers/char/watchdog/booke_wdt.c
index 65830ec..c800cce 100644
--- a/drivers/char/watchdog/booke_wdt.c
+++ b/drivers/char/watchdog/booke_wdt.c
@@ -72,7 +72,7 @@
/*
* booke_wdt_write:
*/
-static ssize_t booke_wdt_write (struct file *file, const char *buf,
+static ssize_t booke_wdt_write (struct file *file, const char __user *buf,
size_t count, loff_t *ppos)
{
booke_wdt_ping();
@@ -92,14 +92,15 @@
unsigned int cmd, unsigned long arg)
{
u32 tmp = 0;
+ u32 __user *p = (u32 __user *)arg;
switch (cmd) {
case WDIOC_GETSUPPORT:
- if (copy_to_user ((struct watchdog_info *) arg, &ident,
+ if (copy_to_user ((struct watchdog_info __user *) arg, &ident,
sizeof(struct watchdog_info)))
return -EFAULT;
case WDIOC_GETSTATUS:
- return put_user(ident.options, (u32 *) arg);
+ return put_user(ident.options, p);
case WDIOC_GETBOOTSTATUS:
/* XXX: something is clearing TSR */
tmp = mfspr(SPRN_TSR) & TSR_WRS(3);
@@ -109,14 +110,14 @@
booke_wdt_ping();
return 0;
case WDIOC_SETTIMEOUT:
- if (get_user(booke_wdt_period, (u32 *) arg))
+ if (get_user(booke_wdt_period, p))
return -EFAULT;
mtspr(SPRN_TCR, (mfspr(SPRN_TCR)&~WDTP(0))|WDTP(booke_wdt_period));
return 0;
case WDIOC_GETTIMEOUT:
- return put_user(booke_wdt_period, (u32 *) arg);
+ return put_user(booke_wdt_period, p);
case WDIOC_SETOPTIONS:
- if (get_user(tmp, (u32 *) arg))
+ if (get_user(tmp, p))
return -EINVAL;
if (tmp == WDIOS_ENABLECARD) {
booke_wdt_ping();