[PARISC] more sparse fixes

0/NULL changes, __user annotations, __iomem annotations

Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
This commit is contained in:
Matthew Wilcox
2006-11-05 15:24:48 -07:00
committed by Kyle McMartin
parent c2c4798e04
commit e51ec24178
4 changed files with 34 additions and 32 deletions

View File

@@ -61,7 +61,7 @@ int hpux_ptrace(void)
return -ENOSYS;
}
int hpux_wait(int *stat_loc)
int hpux_wait(int __user *stat_loc)
{
return sys_waitpid(-1, stat_loc, 0);
}
@@ -255,7 +255,7 @@ asmlinkage long hpux_fstatfs(unsigned int fd, struct hpux_statfs __user * buf)
/* TODO: Are these put_user calls OK? Should they pass an int?
* (I copied it from sys_i386.c like this.)
*/
static int hpux_uname(struct hpux_utsname *name)
static int hpux_uname(struct hpux_utsname __user *name)
{
int error;
@@ -300,14 +300,14 @@ static int hpux_uname(struct hpux_utsname *name)
/* Note: HP-UX just uses the old suser() function to check perms
* in this system call. We'll use capable(CAP_SYS_ADMIN).
*/
int hpux_utssys(char *ubuf, int n, int type)
int hpux_utssys(char __user *ubuf, int n, int type)
{
int len;
int error;
switch( type ) {
case 0:
/* uname(): */
return( hpux_uname( (struct hpux_utsname *)ubuf ) );
return hpux_uname((struct hpux_utsname __user *)ubuf);
break ;
case 1:
/* Obsolete (used to be umask().) */
@@ -315,8 +315,9 @@ int hpux_utssys(char *ubuf, int n, int type)
break ;
case 2:
/* ustat(): */
return( hpux_ustat(new_decode_dev(n), (struct hpux_ustat *)ubuf) );
break ;
return hpux_ustat(new_decode_dev(n),
(struct hpux_ustat __user *)ubuf);
break;
case 3:
/* setuname():
*
@@ -332,7 +333,7 @@ int hpux_utssys(char *ubuf, int n, int type)
return -EINVAL ;
/* Unlike Linux, HP-UX truncates it if n is too big: */
len = (n <= __NEW_UTS_LEN) ? n : __NEW_UTS_LEN ;
return( sys_sethostname(ubuf, len) );
return sys_sethostname(ubuf, len);
break ;
case 4:
/* sethostname():
@@ -346,7 +347,7 @@ int hpux_utssys(char *ubuf, int n, int type)
return -EINVAL ;
/* Unlike Linux, HP-UX truncates it if n is too big: */
len = (n <= __NEW_UTS_LEN) ? n : __NEW_UTS_LEN ;
return( sys_sethostname(ubuf, len) );
return sys_sethostname(ubuf, len);
break ;
case 5:
/* gethostname():
@@ -356,7 +357,7 @@ int hpux_utssys(char *ubuf, int n, int type)
/* Unlike Linux, HP-UX returns an error if n==0: */
if ( n <= 0 )
return -EINVAL ;
return( sys_gethostname(ubuf, n) );
return sys_gethostname(ubuf, n);
break ;
case 6:
/* Supposedly called from setuname() in libc.
@@ -420,7 +421,7 @@ int hpux_utssys(char *ubuf, int n, int type)
}
}
int hpux_getdomainname(char *name, int len)
int hpux_getdomainname(char __user *name, int len)
{
int nlen;
int err = -EFAULT;
@@ -471,17 +472,18 @@ int hpux_sysfs(int opcode, unsigned long arg1, unsigned long arg2)
printk(KERN_DEBUG "hpux_sysfs called with arg1='%lx'\n", arg1);
if ( opcode == 1 ) { /* GETFSIND */
len = strlen_user((char *)arg1);
char __user *user_fsname = (char __user *)arg1;
len = strlen_user(user_fsname);
printk(KERN_DEBUG "len of arg1 = %d\n", len);
if (len == 0)
return 0;
fsname = (char *) kmalloc(len, GFP_KERNEL);
if ( !fsname ) {
fsname = kmalloc(len, GFP_KERNEL);
if (!fsname) {
printk(KERN_DEBUG "failed to kmalloc fsname\n");
return 0;
}
if ( copy_from_user(fsname, (char *)arg1, len) ) {
if (copy_from_user(fsname, user_fsname, len)) {
printk(KERN_DEBUG "failed to copy_from_user fsname\n");
kfree(fsname);
return 0;
@@ -495,7 +497,7 @@ int hpux_sysfs(int opcode, unsigned long arg1, unsigned long arg2)
fstype = 0;
} else {
fstype = 0;
};
}
kfree(fsname);