Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixes

[linux-2.6-omap-h63xx.git] / arch / sparc64 / kernel / sys_sparc32.c

diff --git a/arch/sparc64/kernel/sys_sparc32.c b/arch/sparc64/kernel/sys_sparc32.c
index c1a61e98899a7ec741db282798bfdaddbdc4763d..ba5bd626b39e39a263a2aec0a1b6939ea0d70c94 100644 (file)
--- a/arch/sparc64/kernel/sys_sparc32.c
+++ b/arch/sparc64/kernel/sys_sparc32.c
@@ -236,13 +236,6 @@ asmlinkage long sys32_getegid16(void)
 
 /* 32-bit timeval and related flotsam.  */
 
-static long 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) |
-                __get_user(o->tv_usec, &i->tv_usec)));
-}
-
 static inline long put_tv32(struct compat_timeval __user *o, struct timeval *i)
 {
        return (!access_ok(VERIFY_WRITE, o, sizeof(*o)) ||
@@ -554,10 +547,8 @@ asmlinkage long compat_sys_sigaction(int sig, struct old_sigaction32 __user *act
         struct k_sigaction new_ka, old_ka;
         int ret;
 
-       if (sig < 0) {
-               set_thread_flag(TIF_NEWSIGNALS);
-               sig = -sig;
-       }
+       WARN_ON_ONCE(sig >= 0);
+       sig = -sig;
 
         if (act) {
                compat_old_sigset_t mask;
@@ -601,11 +592,6 @@ asmlinkage long compat_sys_rt_sigaction(int sig,
         if (sigsetsize != sizeof(compat_sigset_t))
                 return -EINVAL;
 
-       /* All tasks which use RT signals (effectively) use
-        * new style signals.
-        */
-       set_thread_flag(TIF_NEWSIGNALS);
-
         if (act) {
                u32 u_handler, u_restorer;
 
@@ -764,30 +750,6 @@ asmlinkage long sys32_settimeofday(struct compat_timeval __user *tv,
        return do_sys_settimeofday(tv ? &kts : NULL, tz ? &ktz : NULL);
 }
 
-asmlinkage long sys32_utimes(char __user *filename,
-                            struct compat_timeval __user *tvs)
-{
-       struct timespec tv[2];
-
-       if (tvs) {
-               struct timeval ktvs[2];
-               if (get_tv32(&ktvs[0], tvs) ||
-                   get_tv32(&ktvs[1], 1+tvs))
-                       return -EFAULT;
-
-               if (ktvs[0].tv_usec < 0 || ktvs[0].tv_usec >= 1000000 ||
-                   ktvs[1].tv_usec < 0 || ktvs[1].tv_usec >= 1000000)
-                       return -EINVAL;
-
-               tv[0].tv_sec = ktvs[0].tv_sec;
-               tv[0].tv_nsec = 1000 * ktvs[0].tv_usec;
-               tv[1].tv_sec = ktvs[1].tv_sec;
-               tv[1].tv_nsec = 1000 * ktvs[1].tv_usec;
-       }
-
-       return do_utimes(AT_FDCWD, filename, tvs ? tv : NULL, 0);
-}
-
 /* These are here just in case some old sparc32 binary calls it. */
 asmlinkage long sys32_pause(void)
 {
@@ -905,44 +867,15 @@ asmlinkage unsigned long sys32_mremap(unsigned long addr,
        unsigned long old_len, unsigned long new_len,
        unsigned long flags, u32 __new_addr)
 {
-       struct vm_area_struct *vma;
        unsigned long ret = -EINVAL;
        unsigned long new_addr = __new_addr;
 
-       if (old_len > STACK_TOP32 || new_len > STACK_TOP32)
+       if (unlikely(sparc64_mmap_check(addr, old_len)))
                goto out;
-       if (addr > STACK_TOP32 - old_len)
+       if (unlikely(sparc64_mmap_check(new_addr, new_len)))
                goto out;
        down_write(&current->mm->mmap_sem);
-       if (flags & MREMAP_FIXED) {
-               if (new_addr > STACK_TOP32 - new_len)
-                       goto out_sem;
-       } else if (addr > STACK_TOP32 - new_len) {
-               unsigned long map_flags = 0;
-               struct file *file = NULL;
-
-               ret = -ENOMEM;
-               if (!(flags & MREMAP_MAYMOVE))
-                       goto out_sem;
-
-               vma = find_vma(current->mm, addr);
-               if (vma) {
-                       if (vma->vm_flags & VM_SHARED)
-                               map_flags |= MAP_SHARED;
-                       file = vma->vm_file;
-               }
-
-               /* MREMAP_FIXED checked above. */
-               new_addr = get_unmapped_area(file, addr, new_len,
-                                   vma ? vma->vm_pgoff : 0,
-                                   map_flags);
-               ret = new_addr;
-               if (new_addr & ~PAGE_MASK)
-                       goto out_sem;
-               flags |= MREMAP_FIXED;
-       }
        ret = do_mremap(addr, old_len, new_len, flags, new_addr);
-out_sem:
        up_write(&current->mm->mmap_sem);
 out:
        return ret;