From af2667f7efa64706c78b8bee1398726fc86b42ad Mon Sep 17 00:00:00 2001
From: Ralf Baechle <ralf@linux-mips.org>
Date: Sun, 19 Feb 2006 03:20:07 +0000
Subject: [MIPS] Delete unused sys32_waitpid.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
arch/mips/kernel/linux32.c | 6 ------
1 file changed, 6 deletions(-)
(limited to 'arch/mips/kernel/linux32.c')
diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c
index e00e5f6e7fd..396592467da 100644
--- a/arch/mips/kernel/linux32.c
+++ b/arch/mips/kernel/linux32.c
@@ -161,12 +161,6 @@ out:
return error;
}
-asmlinkage int
-sys32_waitpid(compat_pid_t pid, unsigned int *stat_addr, int options)
-{
- return compat_sys_wait4(pid, stat_addr, options, NULL);
-}
-
asmlinkage long
sysn32_waitid(int which, compat_pid_t pid,
siginfo_t __user *uinfo, int options,
--
cgit v1.2.3-70-g09d2
From 219ac73a7ad17a3ae3d5c07b4fc8c280645a073a Mon Sep 17 00:00:00 2001
From: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Date: Tue, 21 Feb 2006 16:05:11 +0900
Subject: [MIPS] Further sparsification for 32-bit compat code.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
arch/mips/kernel/linux32.c | 170 +++++++++++++++++++++++----------------------
arch/mips/kernel/syscall.c | 2 +-
include/asm-mips/compat.h | 8 +--
3 files changed, 92 insertions(+), 88 deletions(-)
(limited to 'arch/mips/kernel/linux32.c')
diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c
index 396592467da..1e8d24823d3 100644
--- a/arch/mips/kernel/linux32.c
+++ b/arch/mips/kernel/linux32.c
@@ -69,7 +69,7 @@
* Revalidate the inode. This is required for proper NFS attribute caching.
*/
-int cp_compat_stat(struct kstat *stat, struct compat_stat *statbuf)
+int cp_compat_stat(struct kstat *stat, struct compat_stat __user *statbuf)
{
struct compat_stat tmp;
@@ -125,7 +125,7 @@ out:
}
-asmlinkage int sys_truncate64(const char *path, unsigned int high,
+asmlinkage int sys_truncate64(const char __user *path, unsigned int high,
unsigned int low)
{
if ((int)high < 0)
@@ -169,6 +169,7 @@ sysn32_waitid(int which, compat_pid_t pid,
struct rusage ru;
long ret;
mm_segment_t old_fs = get_fs();
+ int si_signo;
if (!access_ok(VERIFY_WRITE, uinfo, sizeof(*uinfo)))
return -EFAULT;
@@ -178,7 +179,9 @@ sysn32_waitid(int which, compat_pid_t pid,
uru ? (struct rusage __user *) &ru : NULL);
set_fs (old_fs);
- if (ret < 0 || uinfo->si_signo == 0)
+ if (__get_user(si_signo, &uinfo->si_signo))
+ return -EFAULT;
+ if (ret < 0 || si_signo == 0)
return ret;
if (uru)
@@ -202,14 +205,14 @@ struct sysinfo32 {
char _f[8];
};
-asmlinkage int sys32_sysinfo(struct sysinfo32 *info)
+asmlinkage int sys32_sysinfo(struct sysinfo32 __user *info)
{
struct sysinfo s;
int ret, err;
mm_segment_t old_fs = get_fs ();
set_fs (KERNEL_DS);
- ret = sys_sysinfo(&s);
+ ret = sys_sysinfo((struct sysinfo __user *)&s);
set_fs (old_fs);
err = put_user (s.uptime, &info->uptime);
err |= __put_user (s.loads[0], &info->loads[0]);
@@ -239,11 +242,11 @@ struct rlimit32 {
};
#ifdef __MIPSEB__
-asmlinkage long sys32_truncate64(const char * path, unsigned long __dummy,
+asmlinkage long sys32_truncate64(const char __user * path, unsigned long __dummy,
int length_hi, int length_lo)
#endif
#ifdef __MIPSEL__
-asmlinkage long sys32_truncate64(const char * path, unsigned long __dummy,
+asmlinkage long sys32_truncate64(const char __user * path, unsigned long __dummy,
int length_lo, int length_hi)
#endif
{
@@ -271,7 +274,7 @@ asmlinkage long sys32_ftruncate64(unsigned int fd, unsigned long __dummy,
}
static inline long
-get_tv32(struct timeval *o, struct compat_timeval *i)
+get_tv32(struct timeval *o, struct compat_timeval __user *i)
{
return (!access_ok(VERIFY_READ, i, sizeof(*i)) ||
(__get_user(o->tv_sec, &i->tv_sec) |
@@ -279,7 +282,7 @@ get_tv32(struct timeval *o, struct compat_timeval *i)
}
static inline long
-put_tv32(struct compat_timeval *o, struct timeval *i)
+put_tv32(struct compat_timeval __user *o, struct timeval *i)
{
return (!access_ok(VERIFY_WRITE, o, sizeof(*o)) ||
(__put_user(i->tv_sec, &o->tv_sec) |
@@ -289,7 +292,7 @@ put_tv32(struct compat_timeval *o, struct timeval *i)
extern struct timezone sys_tz;
asmlinkage int
-sys32_gettimeofday(struct compat_timeval *tv, struct timezone *tz)
+sys32_gettimeofday(struct compat_timeval __user *tv, struct timezone __user *tz)
{
if (tv) {
struct timeval ktv;
@@ -304,7 +307,7 @@ sys32_gettimeofday(struct compat_timeval *tv, struct timezone *tz)
return 0;
}
-static inline long get_ts32(struct timespec *o, struct compat_timeval *i)
+static inline long get_ts32(struct timespec *o, struct compat_timeval __user *i)
{
long usec;
@@ -319,7 +322,7 @@ static inline long get_ts32(struct timespec *o, struct compat_timeval *i)
}
asmlinkage int
-sys32_settimeofday(struct compat_timeval *tv, struct timezone *tz)
+sys32_settimeofday(struct compat_timeval __user *tv, struct timezone __user *tz)
{
struct timespec kts;
struct timezone ktz;
@@ -337,7 +340,7 @@ sys32_settimeofday(struct compat_timeval *tv, struct timezone *tz)
}
asmlinkage int sys32_llseek(unsigned int fd, unsigned int offset_high,
- unsigned int offset_low, loff_t * result,
+ unsigned int offset_low, loff_t __user * result,
unsigned int origin)
{
return sys_llseek(fd, offset_high, offset_low, result, origin);
@@ -347,12 +350,12 @@ asmlinkage int sys32_llseek(unsigned int fd, unsigned int offset_high,
lseek back to original location. They fail just like lseek does on
non-seekable files. */
-asmlinkage ssize_t sys32_pread(unsigned int fd, char * buf,
+asmlinkage ssize_t sys32_pread(unsigned int fd, char __user * buf,
size_t count, u32 unused, u64 a4, u64 a5)
{
ssize_t ret;
struct file * file;
- ssize_t (*read)(struct file *, char *, size_t, loff_t *);
+ ssize_t (*read)(struct file *, char __user *, size_t, loff_t *);
loff_t pos;
ret = -EBADF;
@@ -382,12 +385,12 @@ bad_file:
return ret;
}
-asmlinkage ssize_t sys32_pwrite(unsigned int fd, const char * buf,
+asmlinkage ssize_t sys32_pwrite(unsigned int fd, const char __user * buf,
size_t count, u32 unused, u64 a4, u64 a5)
{
ssize_t ret;
struct file * file;
- ssize_t (*write)(struct file *, const char *, size_t, loff_t *);
+ ssize_t (*write)(struct file *, const char __user *, size_t, loff_t *);
loff_t pos;
ret = -EBADF;
@@ -420,14 +423,14 @@ bad_file:
}
asmlinkage int sys32_sched_rr_get_interval(compat_pid_t pid,
- struct compat_timespec *interval)
+ struct compat_timespec __user *interval)
{
struct timespec t;
int ret;
mm_segment_t old_fs = get_fs ();
set_fs (KERNEL_DS);
- ret = sys_sched_rr_get_interval(pid, &t);
+ ret = sys_sched_rr_get_interval(pid, (struct timespec __user *)&t);
set_fs (old_fs);
if (put_user (t.tv_sec, &interval->tv_sec) ||
__put_user (t.tv_nsec, &interval->tv_nsec))
@@ -545,7 +548,7 @@ struct ipc_kludge32 {
};
static int
-do_sys32_semctl(int first, int second, int third, void *uptr)
+do_sys32_semctl(int first, int second, int third, void __user *uptr)
{
union semun fourth;
u32 pad;
@@ -556,12 +559,12 @@ do_sys32_semctl(int first, int second, int third, void *uptr)
if (!uptr)
return -EINVAL;
err = -EFAULT;
- if (get_user (pad, (u32 *)uptr))
+ if (get_user (pad, (u32 __user *)uptr))
return err;
if ((third & ~IPC_64) == SETVAL)
fourth.val = (int)pad;
else
- fourth.__pad = (void *)A(pad);
+ fourth.__pad = (void __user *)A(pad);
switch (third & ~IPC_64) {
case IPC_INFO:
case IPC_RMID:
@@ -579,14 +582,14 @@ do_sys32_semctl(int first, int second, int third, void *uptr)
case IPC_STAT:
case SEM_STAT:
- fourth.__pad = &s;
+ fourth.__pad = (struct semid64_ds __user *)&s;
old_fs = get_fs();
set_fs(KERNEL_DS);
err = sys_semctl(first, second, third | IPC_64, fourth);
set_fs(old_fs);
if (third & IPC_64) {
- struct semid64_ds32 *usp64 = (struct semid64_ds32 *) A(pad);
+ struct semid64_ds32 __user *usp64 = (struct semid64_ds32 __user *) A(pad);
if (!access_ok(VERIFY_WRITE, usp64, sizeof(*usp64))) {
err = -EFAULT;
@@ -603,7 +606,7 @@ do_sys32_semctl(int first, int second, int third, void *uptr)
err2 |= __put_user(s.sem_ctime, &usp64->sem_ctime);
err2 |= __put_user(s.sem_nsems, &usp64->sem_nsems);
} else {
- struct semid_ds32 *usp32 = (struct semid_ds32 *) A(pad);
+ struct semid_ds32 __user *usp32 = (struct semid_ds32 __user *) A(pad);
if (!access_ok(VERIFY_WRITE, usp32, sizeof(*usp32))) {
err = -EFAULT;
@@ -633,9 +636,9 @@ do_sys32_semctl(int first, int second, int third, void *uptr)
}
static int
-do_sys32_msgsnd (int first, int second, int third, void *uptr)
+do_sys32_msgsnd (int first, int second, int third, void __user *uptr)
{
- struct msgbuf32 *up = (struct msgbuf32 *)uptr;
+ struct msgbuf32 __user *up = (struct msgbuf32 __user *)uptr;
struct msgbuf *p;
mm_segment_t old_fs;
int err;
@@ -654,7 +657,7 @@ do_sys32_msgsnd (int first, int second, int third, void *uptr)
goto out;
old_fs = get_fs ();
set_fs (KERNEL_DS);
- err = sys_msgsnd (first, p, second, third);
+ err = sys_msgsnd (first, (struct msgbuf __user *)p, second, third);
set_fs (old_fs);
out:
kfree (p);
@@ -664,15 +667,15 @@ out:
static int
do_sys32_msgrcv (int first, int second, int msgtyp, int third,
- int version, void *uptr)
+ int version, void __user *uptr)
{
- struct msgbuf32 *up;
+ struct msgbuf32 __user *up;
struct msgbuf *p;
mm_segment_t old_fs;
int err;
if (!version) {
- struct ipc_kludge32 *uipck = (struct ipc_kludge32 *)uptr;
+ struct ipc_kludge32 __user *uipck = (struct ipc_kludge32 __user *)uptr;
struct ipc_kludge32 ipck;
err = -EINVAL;
@@ -681,7 +684,7 @@ do_sys32_msgrcv (int first, int second, int msgtyp, int third,
err = -EFAULT;
if (copy_from_user (&ipck, uipck, sizeof (struct ipc_kludge32)))
goto out;
- uptr = (void *)AA(ipck.msgp);
+ uptr = (void __user *)AA(ipck.msgp);
msgtyp = ipck.msgtyp;
}
@@ -693,11 +696,11 @@ do_sys32_msgrcv (int first, int second, int msgtyp, int third,
goto out;
old_fs = get_fs ();
set_fs (KERNEL_DS);
- err = sys_msgrcv (first, p, second + 4, msgtyp, third);
+ err = sys_msgrcv (first, (struct msgbuf __user *)p, second + 4, msgtyp, third);
set_fs (old_fs);
if (err < 0)
goto free_then_out;
- up = (struct msgbuf32 *)uptr;
+ up = (struct msgbuf32 __user *)uptr;
if (put_user (p->mtype, &up->mtype) ||
__copy_to_user (&up->mtext, p->mtext, err))
err = -EFAULT;
@@ -708,19 +711,19 @@ out:
}
static int
-do_sys32_msgctl (int first, int second, void *uptr)
+do_sys32_msgctl (int first, int second, void __user *uptr)
{
int err = -EINVAL, err2;
struct msqid64_ds m;
- struct msqid_ds32 *up32 = (struct msqid_ds32 *)uptr;
- struct msqid64_ds32 *up64 = (struct msqid64_ds32 *)uptr;
+ struct msqid_ds32 __user *up32 = (struct msqid_ds32 __user *)uptr;
+ struct msqid64_ds32 __user *up64 = (struct msqid64_ds32 __user *)uptr;
mm_segment_t old_fs;
switch (second & ~IPC_64) {
case IPC_INFO:
case IPC_RMID:
case MSG_INFO:
- err = sys_msgctl (first, second, (struct msqid_ds *)uptr);
+ err = sys_msgctl (first, second, (struct msqid_ds __user *)uptr);
break;
case IPC_SET:
@@ -747,7 +750,7 @@ do_sys32_msgctl (int first, int second, void *uptr)
break;
old_fs = get_fs();
set_fs(KERNEL_DS);
- err = sys_msgctl(first, second | IPC_64, (struct msqid_ds *)&m);
+ err = sys_msgctl(first, second | IPC_64, (struct msqid_ds __user *)&m);
set_fs(old_fs);
break;
@@ -755,7 +758,7 @@ do_sys32_msgctl (int first, int second, void *uptr)
case MSG_STAT:
old_fs = get_fs();
set_fs(KERNEL_DS);
- err = sys_msgctl(first, second | IPC_64, (struct msqid_ds *)&m);
+ err = sys_msgctl(first, second | IPC_64, (struct msqid_ds __user *)&m);
set_fs(old_fs);
if (second & IPC_64) {
if (!access_ok(VERIFY_WRITE, up64, sizeof(*up64))) {
@@ -809,10 +812,10 @@ do_sys32_msgctl (int first, int second, void *uptr)
}
static int
-do_sys32_shmat (int first, int second, int third, int version, void *uptr)
+do_sys32_shmat (int first, int second, int third, int version, void __user *uptr)
{
unsigned long raddr;
- u32 *uaddr = (u32 *)A((u32)third);
+ u32 __user *uaddr = (u32 __user *)A((u32)third);
int err = -EINVAL;
if (version == 1)
@@ -831,11 +834,11 @@ struct shm_info32 {
};
static int
-do_sys32_shmctl (int first, int second, void *uptr)
+do_sys32_shmctl (int first, int second, void __user *uptr)
{
- struct shmid64_ds32 *up64 = (struct shmid64_ds32 *)uptr;
- struct shmid_ds32 *up32 = (struct shmid_ds32 *)uptr;
- struct shm_info32 *uip = (struct shm_info32 *)uptr;
+ struct shmid64_ds32 __user *up64 = (struct shmid64_ds32 __user *)uptr;
+ struct shmid_ds32 __user *up32 = (struct shmid_ds32 __user *)uptr;
+ struct shm_info32 __user *uip = (struct shm_info32 __user *)uptr;
int err = -EFAULT, err2;
struct shmid64_ds s64;
mm_segment_t old_fs;
@@ -848,7 +851,7 @@ do_sys32_shmctl (int first, int second, void *uptr)
case IPC_RMID:
case SHM_LOCK:
case SHM_UNLOCK:
- err = sys_shmctl(first, second, (struct shmid_ds *)uptr);
+ err = sys_shmctl(first, second, (struct shmid_ds __user *)uptr);
break;
case IPC_SET:
if (second & IPC_64) {
@@ -864,7 +867,7 @@ do_sys32_shmctl (int first, int second, void *uptr)
break;
old_fs = get_fs();
set_fs(KERNEL_DS);
- err = sys_shmctl(first, second & ~IPC_64, &s);
+ err = sys_shmctl(first, second & ~IPC_64, (struct shmid_ds __user *)&s);
set_fs(old_fs);
break;
@@ -872,7 +875,7 @@ do_sys32_shmctl (int first, int second, void *uptr)
case SHM_STAT:
old_fs = get_fs();
set_fs(KERNEL_DS);
- err = sys_shmctl(first, second | IPC_64, (void *) &s64);
+ err = sys_shmctl(first, second | IPC_64, (void __user *) &s64);
set_fs(old_fs);
if (err < 0)
break;
@@ -922,7 +925,7 @@ do_sys32_shmctl (int first, int second, void *uptr)
case SHM_INFO:
old_fs = get_fs();
set_fs(KERNEL_DS);
- err = sys_shmctl(first, second, (void *)&si);
+ err = sys_shmctl(first, second, (void __user *)&si);
set_fs(old_fs);
if (err < 0)
break;
@@ -944,11 +947,11 @@ do_sys32_shmctl (int first, int second, void *uptr)
return err;
}
-static int sys32_semtimedop(int semid, struct sembuf *tsems, int nsems,
- const struct compat_timespec *timeout32)
+static int sys32_semtimedop(int semid, struct sembuf __user *tsems, int nsems,
+ const struct compat_timespec __user *timeout32)
{
struct compat_timespec t32;
- struct timespec *t64 = compat_alloc_user_space(sizeof(*t64));
+ struct timespec __user *t64 = compat_alloc_user_space(sizeof(*t64));
if (copy_from_user(&t32, timeout32, sizeof(t32)))
return -EFAULT;
@@ -971,11 +974,11 @@ sys32_ipc (u32 call, int first, int second, int third, u32 ptr, u32 fifth)
switch (call) {
case SEMOP:
/* struct sembuf is the same on 32 and 64bit :)) */
- err = sys_semtimedop (first, (struct sembuf *)AA(ptr), second,
+ err = sys_semtimedop (first, (struct sembuf __user *)AA(ptr), second,
NULL);
break;
case SEMTIMEDOP:
- err = sys32_semtimedop (first, (struct sembuf *)AA(ptr), second,
+ err = sys32_semtimedop (first, (struct sembuf __user *)AA(ptr), second,
(const struct compat_timespec __user *)AA(fifth));
break;
case SEMGET:
@@ -983,36 +986,36 @@ sys32_ipc (u32 call, int first, int second, int third, u32 ptr, u32 fifth)
break;
case SEMCTL:
err = do_sys32_semctl (first, second, third,
- (void *)AA(ptr));
+ (void __user *)AA(ptr));
break;
case MSGSND:
err = do_sys32_msgsnd (first, second, third,
- (void *)AA(ptr));
+ (void __user *)AA(ptr));
break;
case MSGRCV:
err = do_sys32_msgrcv (first, second, fifth, third,
- version, (void *)AA(ptr));
+ version, (void __user *)AA(ptr));
break;
case MSGGET:
err = sys_msgget ((key_t) first, second);
break;
case MSGCTL:
- err = do_sys32_msgctl (first, second, (void *)AA(ptr));
+ err = do_sys32_msgctl (first, second, (void __user *)AA(ptr));
break;
case SHMAT:
err = do_sys32_shmat (first, second, third,
- version, (void *)AA(ptr));
+ version, (void __user *)AA(ptr));
break;
case SHMDT:
- err = sys_shmdt ((char *)A(ptr));
+ err = sys_shmdt ((char __user *)A(ptr));
break;
case SHMGET:
err = sys_shmget (first, (unsigned)second, third);
break;
case SHMCTL:
- err = do_sys32_shmctl (first, second, (void *)AA(ptr));
+ err = do_sys32_shmctl (first, second, (void __user *)AA(ptr));
break;
default:
err = -EINVAL;
@@ -1023,7 +1026,7 @@ sys32_ipc (u32 call, int first, int second, int third, u32 ptr, u32 fifth)
}
asmlinkage long sys32_shmat(int shmid, char __user *shmaddr,
- int shmflg, int32_t *addr)
+ int shmflg, int32_t __user *addr)
{
unsigned long raddr;
int err;
@@ -1048,12 +1051,13 @@ struct sysctl_args32
#ifdef CONFIG_SYSCTL
-asmlinkage long sys32_sysctl(struct sysctl_args32 *args)
+asmlinkage long sys32_sysctl(struct sysctl_args32 __user *args)
{
struct sysctl_args32 tmp;
int error;
- size_t oldlen, *oldlenp = NULL;
- unsigned long addr = (((long)&args->__unused[0]) + 7) & ~7;
+ size_t oldlen;
+ size_t __user *oldlenp = NULL;
+ unsigned long addr = (((unsigned long)&args->__unused[0]) + 7) & ~7;
if (copy_from_user(&tmp, args, sizeof(tmp)))
return -EFAULT;
@@ -1065,20 +1069,20 @@ asmlinkage long sys32_sysctl(struct sysctl_args32 *args)
basically copy the whole sysctl.c here, and
glibc's __sysctl uses rw memory for the structure
anyway. */
- if (get_user(oldlen, (u32 *)A(tmp.oldlenp)) ||
- put_user(oldlen, (size_t *)addr))
+ if (get_user(oldlen, (u32 __user *)A(tmp.oldlenp)) ||
+ put_user(oldlen, (size_t __user *)addr))
return -EFAULT;
- oldlenp = (size_t *)addr;
+ oldlenp = (size_t __user *)addr;
}
lock_kernel();
- error = do_sysctl((int *)A(tmp.name), tmp.nlen, (void *)A(tmp.oldval),
- oldlenp, (void *)A(tmp.newval), tmp.newlen);
+ error = do_sysctl((int __user *)A(tmp.name), tmp.nlen, (void __user *)A(tmp.oldval),
+ oldlenp, (void __user *)A(tmp.newval), tmp.newlen);
unlock_kernel();
if (oldlenp) {
if (!error) {
- if (get_user(oldlen, (size_t *)addr) ||
- put_user(oldlen, (u32 *)A(tmp.oldlenp)))
+ if (get_user(oldlen, (size_t __user *)addr) ||
+ put_user(oldlen, (u32 __user *)A(tmp.oldlenp)))
error = -EFAULT;
}
copy_to_user(args->__unused, tmp.__unused, sizeof(tmp.__unused));
@@ -1088,7 +1092,7 @@ asmlinkage long sys32_sysctl(struct sysctl_args32 *args)
#endif /* CONFIG_SYSCTL */
-asmlinkage long sys32_newuname(struct new_utsname * name)
+asmlinkage long sys32_newuname(struct new_utsname __user * name)
{
int ret = 0;
@@ -1123,9 +1127,9 @@ struct ustat32 {
char f_fpack[6];
};
-extern asmlinkage long sys_ustat(dev_t dev, struct ustat * ubuf);
+extern asmlinkage long sys_ustat(dev_t dev, struct ustat __user * ubuf);
-asmlinkage int sys32_ustat(dev_t dev, struct ustat32 * ubuf32)
+asmlinkage int sys32_ustat(dev_t dev, struct ustat32 __user * ubuf32)
{
int err;
struct ustat tmp;
@@ -1133,7 +1137,7 @@ asmlinkage int sys32_ustat(dev_t dev, struct ustat32 * ubuf32)
mm_segment_t old_fs = get_fs();
set_fs(KERNEL_DS);
- err = sys_ustat(dev, &tmp);
+ err = sys_ustat(dev, (struct ustat __user *)&tmp);
set_fs (old_fs);
if (err)
@@ -1166,7 +1170,7 @@ struct timex32 {
extern int do_adjtimex(struct timex *);
-asmlinkage int sys32_adjtimex(struct timex32 *utp)
+asmlinkage int sys32_adjtimex(struct timex32 __user *utp)
{
struct timex txc;
int ret;
@@ -1222,7 +1226,7 @@ asmlinkage int sys32_adjtimex(struct timex32 *utp)
return ret;
}
-asmlinkage int sys32_sendfile(int out_fd, int in_fd, compat_off_t *offset,
+asmlinkage int sys32_sendfile(int out_fd, int in_fd, compat_off_t __user *offset,
s32 count)
{
mm_segment_t old_fs = get_fs();
@@ -1233,7 +1237,7 @@ asmlinkage int sys32_sendfile(int out_fd, int in_fd, compat_off_t *offset,
return -EFAULT;
set_fs(KERNEL_DS);
- ret = sys_sendfile(out_fd, in_fd, offset ? &of : NULL, count);
+ ret = sys_sendfile(out_fd, in_fd, offset ? (off_t __user *)&of : NULL, count);
set_fs(old_fs);
if (offset && put_user(of, offset))
@@ -1263,7 +1267,7 @@ static unsigned char socketcall_nargs[18]={AL(0),AL(3),AL(3),AL(3),AL(2),AL(3),
* it is set by the callees.
*/
-asmlinkage long sys32_socketcall(int call, unsigned int *args32)
+asmlinkage long sys32_socketcall(int call, unsigned int __user *args32)
{
unsigned int a[6];
unsigned int a0,a1;
@@ -1285,7 +1289,7 @@ asmlinkage long sys32_socketcall(int call, unsigned int *args32)
struct sockaddr __user *addr, int __user *addr_len);
extern asmlinkage long sys_shutdown(int fd, int how);
extern asmlinkage long sys_setsockopt(int fd, int level, int optname, char __user *optval, int optlen);
- extern asmlinkage long sys_getsockopt(int fd, int level, int optname, char __user *optval, int *optlen);
+ extern asmlinkage long sys_getsockopt(int fd, int level, int optname, char __user *optval, int __user *optlen);
extern asmlinkage long sys_sendmsg(int fd, struct msghdr __user *msg, unsigned flags);
extern asmlinkage long sys_recvmsg(int fd, struct msghdr __user *msg, unsigned int flags);
@@ -1405,7 +1409,7 @@ _sys32_clone(nabi_no_regargs struct pt_regs regs)
newsp = regs.regs[5];
if (!newsp)
newsp = regs.regs[29];
- parent_tidptr = (int *) regs.regs[6];
+ parent_tidptr = (int __user *) regs.regs[6];
/* Use __dummy4 instead of getting it off the stack, so that
syscall() works. */
diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c
index 1da2eeb3ef9..55f2bc09529 100644
--- a/arch/mips/kernel/syscall.c
+++ b/arch/mips/kernel/syscall.c
@@ -345,7 +345,7 @@ asmlinkage int sys_ipc (uint call, int first, int second,
union semun fourth;
if (!ptr)
return -EINVAL;
- if (get_user(fourth.__pad, (void *__user *) ptr))
+ if (get_user(fourth.__pad, (void __user *__user *) ptr))
return -EFAULT;
return sys_semctl (first, second, third, fourth);
}
diff --git a/include/asm-mips/compat.h b/include/asm-mips/compat.h
index 35d2604fe69..0012bd804d2 100644
--- a/include/asm-mips/compat.h
+++ b/include/asm-mips/compat.h
@@ -128,17 +128,17 @@ typedef u32 compat_sigset_word;
*/
typedef u32 compat_uptr_t;
-static inline void *compat_ptr(compat_uptr_t uptr)
+static inline void __user *compat_ptr(compat_uptr_t uptr)
{
- return (void *)(long)uptr;
+ return (void __user *)(long)uptr;
}
-static inline void *compat_alloc_user_space(long len)
+static inline void __user *compat_alloc_user_space(long len)
{
struct pt_regs *regs = (struct pt_regs *)
((unsigned long) current_thread_info() + THREAD_SIZE - 32) - 1;
- return (void *) (regs->regs[29] - len);
+ return (void __user *) (regs->regs[29] - len);
}
#if defined (__MIPSEL__)
#define __COMPAT_ENDIAN_SWAP__ 1
--
cgit v1.2.3-70-g09d2
From 947df17cb1be4c7239280a77263c249fde1379ef Mon Sep 17 00:00:00 2001
From: "H. Peter Anvin" <hpa@zytor.com>
Date: Fri, 24 Feb 2006 21:20:29 -0800
Subject: [MIPS] sys_mmap2 offset argument should always be shifted 12, not
PAGE_SHIFT.
This patch adjusts the offset argument passed into sys_mmap2 to be
always shifted 12, even when the native page size isn't 4K. This is
what all existing userspace libraries expect.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
---
arch/mips/kernel/linux32.c | 4 ++++
arch/mips/kernel/syscall.c | 5 ++++-
2 files changed, 8 insertions(+), 1 deletion(-)
(limited to 'arch/mips/kernel/linux32.c')
diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c
index 1e8d24823d3..013bc93688e 100644
--- a/arch/mips/kernel/linux32.c
+++ b/arch/mips/kernel/linux32.c
@@ -106,6 +106,10 @@ sys32_mmap2(unsigned long addr, unsigned long len, unsigned long prot,
unsigned long error;
error = -EINVAL;
+ if (pgoff & (~PAGE_MASK >> 12))
+ goto out;
+ pgoff >>= PAGE_SHIFT-12;
+
if (!(flags & MAP_ANONYMOUS)) {
error = -EBADF;
file = fget(fd);
diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c
index 55f2bc09529..2aeaa2fd4b3 100644
--- a/arch/mips/kernel/syscall.c
+++ b/arch/mips/kernel/syscall.c
@@ -162,7 +162,10 @@ asmlinkage unsigned long
sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot,
unsigned long flags, unsigned long fd, unsigned long pgoff)
{
- return do_mmap2(addr, len, prot, flags, fd, pgoff);
+ if (pgoff & (~PAGE_MASK >> 12))
+ return -EINVAL;
+
+ return do_mmap2(addr, len, prot, flags, fd, pgoff >> (PAGE_SHIFT-12));
}
save_static_function(sys_fork);
--
cgit v1.2.3-70-g09d2