fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / arch / s390 / kernel / compat_linux.c

diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c
index 5e14de3..b8f77fd 100644 (file)
--- a/arch/s390/kernel/compat_linux.c
+++ b/arch/s390/kernel/compat_linux.c
@@ -16,7 +16,6 @@
  */
 
 
-#include <linux/config.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
 #include <linux/fs.h> 
@@ -296,6 +295,7 @@ static inline long put_tv32(struct compat_timeval __user *o, struct timeval *i)
  *
  * This is really horribly ugly.
  */
+#ifdef CONFIG_SYSVIPC
 asmlinkage long sys32_ipc(u32 call, int first, int second, int third, u32 ptr)
 {
        if (call >> 16)         /* hack for backward compatibility */
@@ -339,6 +339,7 @@ asmlinkage long sys32_ipc(u32 call, int first, int second, int third, u32 ptr)
 
        return -ENOSYS;
 }
+#endif
 
 asmlinkage long sys32_truncate64(const char __user * path, unsigned long high, unsigned long low)
 {
@@ -358,11 +359,16 @@ asmlinkage long sys32_ftruncate64(unsigned int fd, unsigned long high, unsigned
 
 int cp_compat_stat(struct kstat *stat, struct compat_stat __user *statbuf)
 {
+       compat_ino_t ino;
        int err;
 
        if (!old_valid_dev(stat->dev) || !old_valid_dev(stat->rdev))
                return -EOVERFLOW;
 
+       ino = stat->ino;
+       if (sizeof(ino) < sizeof(stat->ino) && ino != stat->ino)
+               return -EOVERFLOW;
+
        err = put_user(old_encode_dev(stat->dev), &statbuf->st_dev);
        err |= put_user(stat->ino, &statbuf->st_ino);
        err |= put_user(stat->mode, &statbuf->st_mode);
@@ -410,7 +416,7 @@ asmlinkage long sys32_sysinfo(struct sysinfo32 __user *info)
        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]);
@@ -439,7 +445,7 @@ asmlinkage long sys32_sched_rr_get_interval(compat_pid_t pid,
        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_compat_timespec(&t, interval))
                return -EFAULT;
@@ -465,7 +471,10 @@ asmlinkage long sys32_rt_sigprocmask(int how, compat_sigset_t __user *set,
                }
        }
        set_fs (KERNEL_DS);
-       ret = sys_rt_sigprocmask(how, set ? &s : NULL, oset ? &s : NULL, sigsetsize);
+       ret = sys_rt_sigprocmask(how,
+                                set ? (sigset_t __user *) &s : NULL,
+                                oset ? (sigset_t __user *) &s : NULL,
+                                sigsetsize);
        set_fs (old_fs);
        if (ret) return ret;
        if (oset) {
@@ -490,7 +499,7 @@ asmlinkage long sys32_rt_sigpending(compat_sigset_t __user *set,
        mm_segment_t old_fs = get_fs();
                
        set_fs (KERNEL_DS);
-       ret = sys_rt_sigpending(&s, sigsetsize);
+       ret = sys_rt_sigpending((sigset_t __user *) &s, sigsetsize);
        set_fs (old_fs);
        if (!ret) {
                switch (_NSIG_WORDS) {
@@ -515,7 +524,7 @@ sys32_rt_sigqueueinfo(int pid, int sig, compat_siginfo_t __user *uinfo)
        if (copy_siginfo_from_user32(&info, uinfo))
                return -EFAULT;
        set_fs (KERNEL_DS);
-       ret = sys_rt_sigqueueinfo(pid, sig, &info);
+       ret = sys_rt_sigqueueinfo(pid, sig, (siginfo_t __user *) &info);
        set_fs (old_fs);
        return ret;
 }
@@ -538,14 +547,8 @@ sys32_execve(struct pt_regs regs)
                                 compat_ptr(regs.gprs[4]), &regs);
        if (error == 0)
        {
-               task_lock(current);
-               current->ptrace &= ~PT_DTRACE;
-               task_unlock(current);
                current->thread.fp_regs.fpc=0;
-               __asm__ __volatile__
-                       ("sr  0,0\n\t"
-                        "sfpc 0,0\n\t"
-                        : : :"0");
+               asm volatile("sfpc %0,0" : : "d" (0));
        }
         putname(filename);
 out:
@@ -594,7 +597,7 @@ asmlinkage long sys32_gettimeofday(struct compat_timeval __user *tv, struct time
 {
        if (tv) {
                struct timeval ktv;
-               do_gettimeofday(&ktv);
+               vx_gettimeofday(&ktv);
                if (put_tv32(tv, &ktv))
                        return -EFAULT;
        }
@@ -675,7 +678,8 @@ asmlinkage long sys32_sendfile(int out_fd, int in_fd, compat_off_t __user *offse
                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))
@@ -695,7 +699,8 @@ asmlinkage long sys32_sendfile64(int out_fd, int in_fd,
                return -EFAULT;
                
        set_fs(KERNEL_DS);
-       ret = sys_sendfile64(out_fd, in_fd, offset ? &lof : NULL, count);
+       ret = sys_sendfile64(out_fd, in_fd,
+                            offset ? (loff_t __user *) &lof : NULL, count);
        set_fs(old_fs);
        
        if (offset && put_user(lof, offset))
@@ -704,7 +709,7 @@ asmlinkage long sys32_sendfile64(int out_fd, int in_fd,
        return ret;
 }
 
-#ifdef CONFIG_SYSCTL
+#ifdef CONFIG_SYSCTL_SYSCALL
 struct __sysctl_args32 {
        u32 name;
        int nlen;
@@ -749,7 +754,9 @@ asmlinkage long sys32_sysctl(struct __sysctl_args32 __user *args)
                            put_user(oldlen, (u32 __user *)compat_ptr(tmp.oldlenp)))
                                error = -EFAULT;
                }
-               copy_to_user(args->__unused, tmp.__unused, sizeof(tmp.__unused));
+               if (copy_to_user(args->__unused, tmp.__unused,
+                                sizeof(tmp.__unused)))
+                       error = -EFAULT;
        }
        return error;
 }