mmc: s3c6410: enable ADMA feature in 6410 sdhci controller

[safe/jmp/linux-2.6] / fs / compat.c

diff --git a/fs/compat.c b/fs/compat.c
index cdd51a3..0544873 100644 (file)
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -32,15 +32,12 @@
 #include <linux/smb_mount.h>
 #include <linux/ncp_mount.h>
 #include <linux/nfs4_mount.h>
-#include <linux/smp_lock.h>
 #include <linux/syscalls.h>
 #include <linux/ctype.h>
 #include <linux/module.h>
 #include <linux/dirent.h>
 #include <linux/fsnotify.h>
 #include <linux/highuid.h>
-#include <linux/sunrpc/svc.h>
-#include <linux/nfsd/nfsd.h>
 #include <linux/nfsd/syscall.h>
 #include <linux/personality.h>
 #include <linux/rwsem.h>
@@ -52,6 +49,7 @@
 #include <linux/mm.h>
 #include <linux/eventpoll.h>
 #include <linux/fs_struct.h>
+#include <linux/slab.h>
 
 #include <asm/uaccess.h>
 #include <asm/mmu_context.h>
@@ -101,13 +99,6 @@ asmlinkage long compat_sys_utimensat(unsigned int dfd, char __user *filename, st
                    get_compat_timespec(&tv[1], &t[1]))
                        return -EFAULT;
 
-               if ((tv[0].tv_nsec == UTIME_OMIT || tv[0].tv_nsec == UTIME_NOW)
-                   && tv[0].tv_sec != 0)
-                       return -EINVAL;
-               if ((tv[1].tv_nsec == UTIME_OMIT || tv[1].tv_nsec == UTIME_NOW)
-                   && tv[1].tv_sec != 0)
-                       return -EINVAL;
-
                if (tv[0].tv_nsec == UTIME_OMIT && tv[1].tv_nsec == UTIME_OMIT)
                        return 0;
        }
@@ -776,13 +767,13 @@ asmlinkage long compat_sys_mount(char __user * dev_name, char __user * dir_name,
                                 char __user * type, unsigned long flags,
                                 void __user * data)
 {
-       unsigned long type_page;
+       char *kernel_type;
        unsigned long data_page;
-       unsigned long dev_page;
+       char *kernel_dev;
        char *dir_page;
        int retval;
 
-       retval = copy_mount_options (type, &type_page);
+       retval = copy_mount_string(type, &kernel_type);
        if (retval < 0)
                goto out;
 
@@ -791,38 +782,38 @@ asmlinkage long compat_sys_mount(char __user * dev_name, char __user * dir_name,
        if (IS_ERR(dir_page))
                goto out1;
 
-       retval = copy_mount_options (dev_name, &dev_page);
+       retval = copy_mount_string(dev_name, &kernel_dev);
        if (retval < 0)
                goto out2;
 
-       retval = copy_mount_options (data, &data_page);
+       retval = copy_mount_options(data, &data_page);
        if (retval < 0)
                goto out3;
 
        retval = -EINVAL;
 
-       if (type_page && data_page) {
-               if (!strcmp((char *)type_page, SMBFS_NAME)) {
+       if (kernel_type && data_page) {
+               if (!strcmp(kernel_type, SMBFS_NAME)) {
                        do_smb_super_data_conv((void *)data_page);
-               } else if (!strcmp((char *)type_page, NCPFS_NAME)) {
+               } else if (!strcmp(kernel_type, NCPFS_NAME)) {
                        do_ncp_super_data_conv((void *)data_page);
-               } else if (!strcmp((char *)type_page, NFS4_NAME)) {
+               } else if (!strcmp(kernel_type, NFS4_NAME)) {
                        if (do_nfs4_super_data_conv((void *) data_page))
                                goto out4;
                }
        }
 
-       retval = do_mount((char*)dev_page, dir_page, (char*)type_page,
+       retval = do_mount(kernel_dev, dir_page, kernel_type,
                        flags, (void*)data_page);
 
  out4:
        free_page(data_page);
  out3:
-       free_page(dev_page);
+       kfree(kernel_dev);
  out2:
        putname(dir_page);
  out1:
-       free_page(type_page);
+       kfree(kernel_type);
  out:
        return retval;
 }
@@ -1486,20 +1477,15 @@ int compat_do_execve(char * filename,
        if (!bprm)
                goto out_files;
 
-       retval = mutex_lock_interruptible(&current->cred_guard_mutex);
-       if (retval < 0)
+       retval = prepare_bprm_creds(bprm);
+       if (retval)
                goto out_free;
-       current->in_execve = 1;
-
-       retval = -ENOMEM;
-       bprm->cred = prepare_exec_creds();
-       if (!bprm->cred)
-               goto out_unlock;
 
        retval = check_unsafe_exec(bprm);
        if (retval < 0)
-               goto out_unlock;
+               goto out_free;
        clear_in_exec = retval;
+       current->in_execve = 1;
 
        file = open_exec(filename);
        retval = PTR_ERR(file);
@@ -1548,7 +1534,6 @@ int compat_do_execve(char * filename,
        /* execve succeeded */
        current->fs->in_exec = 0;
        current->in_execve = 0;
-       mutex_unlock(&current->cred_guard_mutex);
        acct_update_integrals(current);
        free_bprm(bprm);
        if (displaced)
@@ -1568,10 +1553,7 @@ out_file:
 out_unmark:
        if (clear_in_exec)
                current->fs->in_exec = 0;
-
-out_unlock:
        current->in_execve = 0;
-       mutex_unlock(&current->cred_guard_mutex);
 
 out_free:
        free_bprm(bprm);
@@ -1812,6 +1794,24 @@ asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp,
        return ret;
 }
 
+struct compat_sel_arg_struct {
+       compat_ulong_t n;
+       compat_uptr_t inp;
+       compat_uptr_t outp;
+       compat_uptr_t exp;
+       compat_uptr_t tvp;
+};
+
+asmlinkage long compat_sys_old_select(struct compat_sel_arg_struct __user *arg)
+{
+       struct compat_sel_arg_struct a;
+
+       if (copy_from_user(&a, arg, sizeof(a)))
+               return -EFAULT;
+       return compat_sys_select(a.n, compat_ptr(a.inp), compat_ptr(a.outp),
+                                compat_ptr(a.exp), compat_ptr(a.tvp));
+}
+
 #ifdef HAVE_SET_RESTORE_SIGMASK
 static long do_compat_pselect(int n, compat_ulong_t __user *inp,
        compat_ulong_t __user *outp, compat_ulong_t __user *exp,