提交 b98932cb 编写于 作者: C Christoph Hellwig 提交者: Linus Torvalds

[PATCH] remove reiserfs xattr permission checks

remove checks now in the VFS
Signed-off-by: NChristoph Hellwig <hch@lst.de>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
上级 c37ef806
......@@ -497,12 +497,6 @@ reiserfs_xattr_set(struct inode *inode, const char *name, const void *buffer,
struct iattr newattrs;
__u32 xahash = 0;
if (IS_RDONLY(inode))
return -EROFS;
if (IS_IMMUTABLE(inode) || IS_APPEND(inode))
return -EPERM;
if (get_inode_sd_version(inode) == STAT_DATA_V1)
return -EOPNOTSUPP;
......@@ -758,9 +752,6 @@ int reiserfs_xattr_del(struct inode *inode, const char *name)
struct dentry *dir;
int err;
if (IS_RDONLY(inode))
return -EROFS;
dir = open_xa_dir(inode, FL_READONLY);
if (IS_ERR(dir)) {
err = PTR_ERR(dir);
......@@ -984,12 +975,6 @@ reiserfs_setxattr(struct dentry *dentry, const char *name, const void *value,
get_inode_sd_version(dentry->d_inode) == STAT_DATA_V1)
return -EOPNOTSUPP;
if (IS_RDONLY(dentry->d_inode))
return -EROFS;
if (IS_IMMUTABLE(dentry->d_inode) || IS_APPEND(dentry->d_inode))
return -EROFS;
reiserfs_write_lock_xattr_i(dentry->d_inode);
lock = !has_xattr_dir(dentry->d_inode);
if (lock)
......@@ -1019,12 +1004,6 @@ int reiserfs_removexattr(struct dentry *dentry, const char *name)
get_inode_sd_version(dentry->d_inode) == STAT_DATA_V1)
return -EOPNOTSUPP;
if (IS_RDONLY(dentry->d_inode))
return -EROFS;
if (IS_IMMUTABLE(dentry->d_inode) || IS_APPEND(dentry->d_inode))
return -EPERM;
reiserfs_write_lock_xattr_i(dentry->d_inode);
reiserfs_read_lock_xattrs(dentry->d_sb);
......
......@@ -16,18 +16,10 @@ static int
user_get(struct inode *inode, const char *name, void *buffer, size_t size)
{
int error;
if (strlen(name) < sizeof(XATTR_USER_PREFIX))
return -EINVAL;
if (!reiserfs_xattrs_user(inode->i_sb))
return -EOPNOTSUPP;
error = reiserfs_permission_locked(inode, MAY_READ, NULL);
if (error)
return error;
return reiserfs_xattr_get(inode, name, buffer, size);
}
......@@ -36,43 +28,21 @@ user_set(struct inode *inode, const char *name, const void *buffer,
size_t size, int flags)
{
int error;
if (strlen(name) < sizeof(XATTR_USER_PREFIX))
return -EINVAL;
if (!reiserfs_xattrs_user(inode->i_sb))
return -EOPNOTSUPP;
if (!S_ISREG(inode->i_mode) &&
(!S_ISDIR(inode->i_mode) || inode->i_mode & S_ISVTX))
return -EPERM;
error = reiserfs_permission_locked(inode, MAY_WRITE, NULL);
if (error)
return error;
return reiserfs_xattr_set(inode, name, buffer, size, flags);
}
static int user_del(struct inode *inode, const char *name)
{
int error;
if (strlen(name) < sizeof(XATTR_USER_PREFIX))
return -EINVAL;
if (!reiserfs_xattrs_user(inode->i_sb))
return -EOPNOTSUPP;
if (!S_ISREG(inode->i_mode) &&
(!S_ISDIR(inode->i_mode) || inode->i_mode & S_ISVTX))
return -EPERM;
error = reiserfs_permission_locked(inode, MAY_WRITE, NULL);
if (error)
return error;
return 0;
}
......
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