u32 offlo;
if (regs->u_regs[UREG_G1]) {
- if (get_user (offlo, (u32 *)(long)((u32)regs->u_regs[UREG_I6] + 0x5c)))
+ if (get_user (offlo, (u32 __user *)(long)((u32)regs->u_regs[UREG_I6] + 0x5c)))
return -EFAULT;
} else {
- if (get_user (offlo, (u32 *)(long)((u32)regs->u_regs[UREG_I6] + 0x60)))
+ if (get_user (offlo, (u32 __user *)(long)((u32)regs->u_regs[UREG_I6] + 0x60)))
return -EFAULT;
}
return do_solaris_mmap((u32)regs->u_regs[UREG_I0], len, prot, flags, fd, (((u64)offhi)<<32)|offlo);
return sunos_brk(brk);
}
-#define set_utsfield(to, from, dotchop, countfrom) { \
- char *p; \
- int i, len = (countfrom) ? \
- ((sizeof(to) > sizeof(from) ? \
- sizeof(from) : sizeof(to))) : sizeof(to); \
- if (copy_to_user(to, from, len)) \
- return -EFAULT; \
- if (dotchop) \
- for (p=from,i=0; *p && *p != '.' && --len; p++,i++); \
- else \
- i = len - 1; \
- if (__put_user('\0', (char *)(to+i))) \
- return -EFAULT; \
+static int __set_utsfield(char __user *to, int to_size,
+ const char *from, int from_size,
+ int dotchop, int countfrom)
+{
+ int len = countfrom ? (to_size > from_size ?
+ from_size : to_size) : to_size;
+ int off;
+
+ if (copy_to_user(to, from, len))
+ return -EFAULT;
+
+ off = len < to_size? len: len - 1;
+ if (dotchop) {
+ const char *p = strnchr(from, len, '.');
+ if (p) off = p - from;
+ }
+
+ if (__put_user('\0', to + off))
+ return -EFAULT;
+
+ return 0;
}
+#define set_utsfield(to, from, dotchop, countfrom) \
+ __set_utsfield((to), sizeof(to), \
+ (from), sizeof(from), \
+ (dotchop), (countfrom))
+
struct sol_uname {
char sysname[9];
char nodename[9];
asmlinkage int solaris_utssys(u32 buf, u32 flags, int which, u32 buf2)
{
+ struct sol_uname __user *v = A(buf);
+ int err;
+
switch (which) {
case 0: /* old uname */
/* Let's cheat */
- set_utsfield(((struct sol_uname *)A(buf))->sysname,
- "SunOS", 1, 0);
+ err = set_utsfield(v->sysname, "SunOS", 1, 0);
down_read(&uts_sem);
- set_utsfield(((struct sol_uname *)A(buf))->nodename,
- system_utsname.nodename, 1, 1);
+ err |= set_utsfield(v->nodename, system_utsname.nodename,
+ 1, 1);
up_read(&uts_sem);
- set_utsfield(((struct sol_uname *)A(buf))->release,
- "2.6", 0, 0);
- set_utsfield(((struct sol_uname *)A(buf))->version,
- "Generic", 0, 0);
- set_utsfield(((struct sol_uname *)A(buf))->machine,
- machine(), 0, 0);
- return 0;
+ err |= set_utsfield(v->release, "2.6", 0, 0);
+ err |= set_utsfield(v->version, "Generic", 0, 0);
+ err |= set_utsfield(v->machine, machine(), 0, 0);
+ return (err ? -EFAULT : 0);
case 2: /* ustat */
return -ENOSYS;
case 3: /* fusers */
asmlinkage int solaris_utsname(u32 buf)
{
+ struct sol_utsname __user *v = A(buf);
+ int err;
+
/* Why should we not lie a bit? */
down_read(&uts_sem);
- set_utsfield(((struct sol_utsname *)A(buf))->sysname,
- "SunOS", 0, 0);
- set_utsfield(((struct sol_utsname *)A(buf))->nodename,
- system_utsname.nodename, 1, 1);
- set_utsfield(((struct sol_utsname *)A(buf))->release,
- "5.6", 0, 0);
- set_utsfield(((struct sol_utsname *)A(buf))->version,
- "Generic", 0, 0);
- set_utsfield(((struct sol_utsname *)A(buf))->machine,
- machine(), 0, 0);
+ err = set_utsfield(v->sysname, "SunOS", 0, 0);
+ err |= set_utsfield(v->nodename, system_utsname.nodename, 1, 1);
+ err |= set_utsfield(v->release, "5.6", 0, 0);
+ err |= set_utsfield(v->version, "Generic", 0, 0);
+ err |= set_utsfield(v->machine, machine(), 0, 0);
up_read(&uts_sem);
- return 0;
+
+ return (err ? -EFAULT : 0);
}
#define SI_SYSNAME 1 /* return name of operating system */
}
len = strlen(r) + 1;
if (count < len) {
- if (copy_to_user((char *)A(buf), r, count - 1) ||
- __put_user(0, (char *)A(buf) + count - 1))
+ if (copy_to_user(A(buf), r, count - 1) ||
+ __put_user(0, (char __user *)A(buf) + count - 1))
return -EFAULT;
} else {
- if (copy_to_user((char *)A(buf), r, len))
+ if (copy_to_user(A(buf), r, len))
return -EFAULT;
}
return len;
u32 rlim_max;
};
-asmlinkage int solaris_getrlimit(unsigned int resource, struct rlimit32 *rlim)
+asmlinkage int solaris_getrlimit(unsigned int resource, struct rlimit32 __user *rlim)
{
struct rlimit r;
int ret;
return ret;
}
-asmlinkage int solaris_setrlimit(unsigned int resource, struct rlimit32 *rlim)
+asmlinkage int solaris_setrlimit(unsigned int resource, struct rlimit32 __user *rlim)
{
struct rlimit r, rold;
int ret;
mm_segment_t old_fs = get_fs ();
- int (*sys_getrlimit)(unsigned int, struct rlimit *) =
- (int (*)(unsigned int, struct rlimit *))SYS(getrlimit);
- int (*sys_setrlimit)(unsigned int, struct rlimit *) =
- (int (*)(unsigned int, struct rlimit *))SYS(setrlimit);
+ int (*sys_getrlimit)(unsigned int, struct rlimit __user *) =
+ (int (*)(unsigned int, struct rlimit __user *))SYS(getrlimit);
+ int (*sys_setrlimit)(unsigned int, struct rlimit __user *) =
+ (int (*)(unsigned int, struct rlimit __user *))SYS(setrlimit);
if (resource > RLIMIT_SOL_VMEM)
return -EINVAL;
return ret;
}
-asmlinkage int solaris_getrlimit64(unsigned int resource, struct rlimit *rlim)
+asmlinkage int solaris_getrlimit64(unsigned int resource, struct rlimit __user *rlim)
{
struct rlimit r;
int ret;
mm_segment_t old_fs = get_fs ();
- int (*sys_getrlimit)(unsigned int, struct rlimit *) =
- (int (*)(unsigned int, struct rlimit *))SYS(getrlimit);
+ int (*sys_getrlimit)(unsigned int, struct rlimit __user *) =
+ (int (*)(unsigned int, struct rlimit __user *))SYS(getrlimit);
if (resource > RLIMIT_SOL_VMEM)
return -EINVAL;
return ret;
}
-asmlinkage int solaris_setrlimit64(unsigned int resource, struct rlimit *rlim)
+asmlinkage int solaris_setrlimit64(unsigned int resource, struct rlimit __user *rlim)
{
struct rlimit r, rold;
int ret;
mm_segment_t old_fs = get_fs ();
- int (*sys_getrlimit)(unsigned int, struct rlimit *) =
- (int (*)(unsigned int, struct rlimit *))SYS(getrlimit);
- int (*sys_setrlimit)(unsigned int, struct rlimit *) =
- (int (*)(unsigned int, struct rlimit *))SYS(setrlimit);
+ int (*sys_getrlimit)(unsigned int, struct rlimit __user *) =
+ (int (*)(unsigned int, struct rlimit __user *))SYS(getrlimit);
+ int (*sys_setrlimit)(unsigned int, struct rlimit __user *) =
+ (int (*)(unsigned int, struct rlimit __user *))SYS(setrlimit);
if (resource > RLIMIT_SOL_VMEM)
return -EINVAL;
s32 stbcnt;
};
-asmlinkage int solaris_ntp_gettime(struct sol_ntptimeval *ntp)
+asmlinkage int solaris_ntp_gettime(struct sol_ntptimeval __user *ntp)
{
- int (*sys_adjtimex)(struct timex *) =
- (int (*)(struct timex *))SYS(adjtimex);
+ int (*sys_adjtimex)(struct timex __user *) =
+ (int (*)(struct timex __user *))SYS(adjtimex);
struct timex t;
int ret;
mm_segment_t old_fs = get_fs();
return ret;
}
-asmlinkage int solaris_ntp_adjtime(struct sol_timex *txp)
+asmlinkage int solaris_ntp_adjtime(struct sol_timex __user *txp)
{
- int (*sys_adjtimex)(struct timex *) =
- (int (*)(struct timex *))SYS(adjtimex);
+ int (*sys_adjtimex)(struct timex __user *) =
+ (int (*)(struct timex __user *))SYS(adjtimex);
struct timex t;
int ret, err;
mm_segment_t old_fs = get_fs();