Pull percpu-dtc into release branch

[pandora-kernel.git] / arch / powerpc / kernel / sys_ppc32.c

diff --git a/arch/powerpc/kernel/sys_ppc32.c b/arch/powerpc/kernel/sys_ppc32.c
index 5e391fc..047246a 100644 (file)
--- a/arch/powerpc/kernel/sys_ppc32.c
+++ b/arch/powerpc/kernel/sys_ppc32.c
@@ -51,10 +51,7 @@
 #include <asm/time.h>
 #include <asm/mmu_context.h>
 #include <asm/ppc-pci.h>
-
-/* readdir & getdents */
-#define NAME_OFFSET(de) ((int) ((de)->d_name - (char __user *) (de)))
-#define ROUND_UP(x) (((x)+sizeof(u32)-1) & ~(sizeof(u32)-1))
+#include <asm/syscalls.h>
 
 struct old_linux_dirent32 {
        u32             d_ino;
@@ -69,16 +66,20 @@ struct readdir_callback32 {
 };
 
 static int fillonedir(void * __buf, const char * name, int namlen,
-                                 off_t offset, ino_t ino, unsigned int d_type)
+                                 off_t offset, u64 ino, unsigned int d_type)
 {
        struct readdir_callback32 * buf = (struct readdir_callback32 *) __buf;
        struct old_linux_dirent32 __user * dirent;
+       ino_t d_ino;
 
        if (buf->count)
                return -EINVAL;
+       d_ino = ino;
+       if (sizeof(d_ino) < sizeof(ino) && d_ino != ino)
+               return -EOVERFLOW;
        buf->count++;
        dirent = buf->dirent;
-       put_user(ino, &dirent->d_ino);
+       put_user(d_ino, &dirent->d_ino);
        put_user(offset, &dirent->d_offset);
        put_user(namlen, &dirent->d_namlen);
        copy_to_user(dirent->d_name, name, namlen);
@@ -120,15 +121,20 @@ asmlinkage long ppc32_select(u32 n, compat_ulong_t __user *inp,
 
 int cp_compat_stat(struct kstat *stat, struct compat_stat __user *statbuf)
 {
+       compat_ino_t ino;
        long err;
 
        if (stat->size > MAX_NON_LFS || !new_valid_dev(stat->dev) ||
            !new_valid_dev(stat->rdev))
                return -EOVERFLOW;
 
+       ino = stat->ino;
+       if (sizeof(ino) < sizeof(stat->ino) && ino != stat->ino)
+               return -EOVERFLOW;
+
        err  = access_ok(VERIFY_WRITE, statbuf, sizeof(*statbuf)) ? 0 : -EFAULT;
        err |= __put_user(new_encode_dev(stat->dev), &statbuf->st_dev);
-       err |= __put_user(stat->ino, &statbuf->st_ino);
+       err |= __put_user(ino, &statbuf->st_ino);
        err |= __put_user(stat->mode, &statbuf->st_mode);
        err |= __put_user(stat->nlink, &statbuf->st_nlink);
        err |= __put_user(stat->uid, &statbuf->st_uid);
@@ -188,73 +194,6 @@ static inline long put_tv32(struct compat_timeval __user *o, struct timeval *i)
                 __put_user(i->tv_usec, &o->tv_usec)));
 }
 
-struct sysinfo32 {
-        s32 uptime;
-        u32 loads[3];
-        u32 totalram;
-        u32 freeram;
-        u32 sharedram;
-        u32 bufferram;
-        u32 totalswap;
-        u32 freeswap;
-        unsigned short procs;
-       unsigned short pad;
-       u32 totalhigh;
-       u32 freehigh;
-       u32 mem_unit;
-       char _f[20-2*sizeof(int)-sizeof(int)];
-};
-
-asmlinkage long compat_sys_sysinfo(struct sysinfo32 __user *info)
-{
-       struct sysinfo s;
-       int ret, err;
-       int bitcount=0;
-       mm_segment_t old_fs = get_fs ();
-       
-       /* The __user cast is valid due to set_fs() */
-       set_fs (KERNEL_DS);
-       ret = sys_sysinfo((struct sysinfo __user *)&s);
-       set_fs (old_fs);
-
-       /* Check to see if any memory value is too large for 32-bit and
-         * scale down if needed.
-         */
-       if ((s.totalram >> 32) || (s.totalswap >> 32)) {
-           while (s.mem_unit < PAGE_SIZE) {
-               s.mem_unit <<= 1;
-               bitcount++;
-           }
-           s.totalram >>=bitcount;
-           s.freeram >>= bitcount;
-           s.sharedram >>= bitcount;
-           s.bufferram >>= bitcount;
-           s.totalswap >>= bitcount;
-           s.freeswap >>= bitcount;
-           s.totalhigh >>= bitcount;
-           s.freehigh >>= bitcount;
-       }
-
-       err = put_user (s.uptime, &info->uptime);
-       err |= __put_user (s.loads[0], &info->loads[0]);
-       err |= __put_user (s.loads[1], &info->loads[1]);
-       err |= __put_user (s.loads[2], &info->loads[2]);
-       err |= __put_user (s.totalram, &info->totalram);
-       err |= __put_user (s.freeram, &info->freeram);
-       err |= __put_user (s.sharedram, &info->sharedram);
-       err |= __put_user (s.bufferram, &info->bufferram);
-       err |= __put_user (s.totalswap, &info->totalswap);
-       err |= __put_user (s.freeswap, &info->freeswap);
-       err |= __put_user (s.procs, &info->procs);
-       err |= __put_user (s.totalhigh, &info->totalhigh);
-       err |= __put_user (s.freehigh, &info->freehigh);
-       err |= __put_user (s.mem_unit, &info->mem_unit);
-       if (err)
-               return -EFAULT;
-       
-       return ret;
-}
-