[PATCH] sparc: convert IO remapping to VM_PFNMAP

[powerpc.git] / fs / compat.c

diff --git a/fs/compat.c b/fs/compat.c
index a719e15..8186341 100644 (file)
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -168,8 +168,8 @@ asmlinkage long compat_sys_statfs(const char __user *path, struct compat_statfs
        if (!error) {
                struct kstatfs tmp;
                error = vfs_statfs(nd.dentry->d_inode->i_sb, &tmp);
-               if (!error && put_compat_statfs(buf, &tmp))
-                       error = -EFAULT;
+               if (!error)
+                       error = put_compat_statfs(buf, &tmp);
                path_release(&nd);
        }
        return error;
@@ -186,8 +186,8 @@ asmlinkage long compat_sys_fstatfs(unsigned int fd, struct compat_statfs __user
        if (!file)
                goto out;
        error = vfs_statfs(file->f_dentry->d_inode->i_sb, &tmp);
-       if (!error && put_compat_statfs(buf, &tmp))
-               error = -EFAULT;
+       if (!error)
+               error = put_compat_statfs(buf, &tmp);
        fput(file);
 out:
        return error;
@@ -236,8 +236,8 @@ asmlinkage long compat_sys_statfs64(const char __user *path, compat_size_t sz, s
        if (!error) {
                struct kstatfs tmp;
                error = vfs_statfs(nd.dentry->d_inode->i_sb, &tmp);
-               if (!error && put_compat_statfs64(buf, &tmp))
-                       error = -EFAULT;
+               if (!error)
+                       error = put_compat_statfs64(buf, &tmp);
                path_release(&nd);
        }
        return error;
@@ -257,8 +257,8 @@ asmlinkage long compat_sys_fstatfs64(unsigned int fd, compat_size_t sz, struct c
        if (!file)
                goto out;
        error = vfs_statfs(file->f_dentry->d_inode->i_sb, &tmp);
-       if (!error && put_compat_statfs64(buf, &tmp))
-               error = -EFAULT;
+       if (!error)
+               error = put_compat_statfs64(buf, &tmp);
        fput(file);
 out:
        return error;
@@ -268,7 +268,6 @@ out:
 
 #define IOCTL_HASHSIZE 256
 static struct ioctl_trans *ioctl32_hash_table[IOCTL_HASHSIZE];
-static DECLARE_RWSEM(ioctl32_sem);
 
 extern struct ioctl_trans ioctl_start[];
 extern int ioctl_table_size;
@@ -390,14 +389,10 @@ asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd,
                break;
        }
 
-       /* When register_ioctl32_conversion is finally gone remove
-          this lock! -AK */
-       down_read(&ioctl32_sem);
        for (t = ioctl32_hash_table[ioctl32_hash(cmd)]; t; t = t->next) {
                if (t->cmd == cmd)
                        goto found_handler;
        }
-       up_read(&ioctl32_sem);
 
        if (S_ISSOCK(filp->f_dentry->d_inode->i_mode) &&
            cmd >= SIOCDEVPRIVATE && cmd <= (SIOCDEVPRIVATE + 15)) {
@@ -417,11 +412,9 @@ asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd,
                lock_kernel();
                error = t->handler(fd, cmd, arg, filp);
                unlock_kernel();
-               up_read(&ioctl32_sem);
                goto out_fput;
        }
 
-       up_read(&ioctl32_sem);
  do_ioctl:
        error = vfs_ioctl(filp, fd, cmd, arg);
  out_fput:
@@ -1490,7 +1483,6 @@ int compat_do_execve(char * filename,
                /* execve success */
                security_bprm_free(bprm);
                acct_update_integrals(current);
-               update_mem_hiwater(current);
                kfree(bprm);
                return retval;
        }