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authorAl Viro <viro@ftp.linux.org.uk>2005-12-15 04:18:20 -0500
committerLinus Torvalds <torvalds@g5.osdl.org>2005-12-15 13:04:30 -0500
commit538bacf8a4802d209f955726b66891b8a921dabf (patch)
tree835186127bdd2c18259c9d7c1956bf13332ff46f /drivers
parentd22043940eb8d660df9a94e8e439ab4d3d16edab (diff)
[PATCH] __user annotations (booke_wdt.c)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/char/watchdog/booke_wdt.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/char/watchdog/booke_wdt.c b/drivers/char/watchdog/booke_wdt.c
index 65830ec71042..c800cce73c1e 100644
--- a/drivers/char/watchdog/booke_wdt.c
+++ b/drivers/char/watchdog/booke_wdt.c
@@ -72,7 +72,7 @@ static __inline__ void booke_wdt_ping(void)
72/* 72/*
73 * booke_wdt_write: 73 * booke_wdt_write:
74 */ 74 */
75static ssize_t booke_wdt_write (struct file *file, const char *buf, 75static ssize_t booke_wdt_write (struct file *file, const char __user *buf,
76 size_t count, loff_t *ppos) 76 size_t count, loff_t *ppos)
77{ 77{
78 booke_wdt_ping(); 78 booke_wdt_ping();
@@ -92,14 +92,15 @@ static int booke_wdt_ioctl (struct inode *inode, struct file *file,
92 unsigned int cmd, unsigned long arg) 92 unsigned int cmd, unsigned long arg)
93{ 93{
94 u32 tmp = 0; 94 u32 tmp = 0;
95 u32 __user *p = (u32 __user *)arg;
95 96
96 switch (cmd) { 97 switch (cmd) {
97 case WDIOC_GETSUPPORT: 98 case WDIOC_GETSUPPORT:
98 if (copy_to_user ((struct watchdog_info *) arg, &ident, 99 if (copy_to_user ((struct watchdog_info __user *) arg, &ident,
99 sizeof(struct watchdog_info))) 100 sizeof(struct watchdog_info)))
100 return -EFAULT; 101 return -EFAULT;
101 case WDIOC_GETSTATUS: 102 case WDIOC_GETSTATUS:
102 return put_user(ident.options, (u32 *) arg); 103 return put_user(ident.options, p);
103 case WDIOC_GETBOOTSTATUS: 104 case WDIOC_GETBOOTSTATUS:
104 /* XXX: something is clearing TSR */ 105 /* XXX: something is clearing TSR */
105 tmp = mfspr(SPRN_TSR) & TSR_WRS(3); 106 tmp = mfspr(SPRN_TSR) & TSR_WRS(3);
@@ -109,14 +110,14 @@ static int booke_wdt_ioctl (struct inode *inode, struct file *file,
109 booke_wdt_ping(); 110 booke_wdt_ping();
110 return 0; 111 return 0;
111 case WDIOC_SETTIMEOUT: 112 case WDIOC_SETTIMEOUT:
112 if (get_user(booke_wdt_period, (u32 *) arg)) 113 if (get_user(booke_wdt_period, p))
113 return -EFAULT; 114 return -EFAULT;
114 mtspr(SPRN_TCR, (mfspr(SPRN_TCR)&~WDTP(0))|WDTP(booke_wdt_period)); 115 mtspr(SPRN_TCR, (mfspr(SPRN_TCR)&~WDTP(0))|WDTP(booke_wdt_period));
115 return 0; 116 return 0;
116 case WDIOC_GETTIMEOUT: 117 case WDIOC_GETTIMEOUT:
117 return put_user(booke_wdt_period, (u32 *) arg); 118 return put_user(booke_wdt_period, p);
118 case WDIOC_SETOPTIONS: 119 case WDIOC_SETOPTIONS:
119 if (get_user(tmp, (u32 *) arg)) 120 if (get_user(tmp, p))
120 return -EINVAL; 121 return -EINVAL;
121 if (tmp == WDIOS_ENABLECARD) { 122 if (tmp == WDIOS_ENABLECARD) {
122 booke_wdt_ping(); 123 booke_wdt_ping();