[PATCH] remove ext2 xattr permission checks

)

From: Christoph Hellwig <hch@lst.de>

remove checks now in the VFS
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

fs/ext2/xattr.c

@@ -389,10 +389,6 @@ ext2_xattr_set(struct inode *inode, int name_index, const char *name,
 	ea_idebug(inode, "name=%d.%s, value=%p, value_len=%ld",
 		  name_index, name, value, (long)value_len);
 
-	if (IS_RDONLY(inode))
-		return -EROFS;
-	if (IS_IMMUTABLE(inode) || IS_APPEND(inode))
-		return -EPERM;
 	if (value == NULL)
 		value_len = 0;
 	if (name == NULL)

fs/ext2/xattr_trusted.c

@@ -38,8 +38,6 @@ ext2_xattr_trusted_get(struct inode *inode, const char *name,
 {
 	if (strcmp(name, "") == 0)
 		return -EINVAL;
-	if (!capable(CAP_SYS_ADMIN))
-		return -EPERM;
 	return ext2_xattr_get(inode, EXT2_XATTR_INDEX_TRUSTED, name,
 			      buffer, size);
 }
@@ -50,8 +48,6 @@ ext2_xattr_trusted_set(struct inode *inode, const char *name,
 {
 	if (strcmp(name, "") == 0)
 		return -EINVAL;
-	if (!capable(CAP_SYS_ADMIN))
-		return -EPERM;
 	return ext2_xattr_set(inode, EXT2_XATTR_INDEX_TRUSTED, name,
 			      value, size, flags);
 }

fs/ext2/xattr_user.c

@@ -35,16 +35,10 @@ static int
 ext2_xattr_user_get(struct inode *inode, const char *name,
 		    void *buffer, size_t size)
 {
-	int error;
-
 	if (strcmp(name, "") == 0)
 		return -EINVAL;
 	if (!test_opt(inode->i_sb, XATTR_USER))
 		return -EOPNOTSUPP;
-	error = permission(inode, MAY_READ, NULL);
-	if (error)
-		return error;
-
 	return ext2_xattr_get(inode, EXT2_XATTR_INDEX_USER, name, buffer, size);
 }
 
@@ -52,18 +46,10 @@ static int
 ext2_xattr_user_set(struct inode *inode, const char *name,
 		    const void *value, size_t size, int flags)
 {
-	int error;
-
 	if (strcmp(name, "") == 0)
 		return -EINVAL;
 	if (!test_opt(inode->i_sb, XATTR_USER))
 		return -EOPNOTSUPP;
-	if ( !S_ISREG(inode->i_mode) &&
-	    (!S_ISDIR(inode->i_mode) || inode->i_mode & S_ISVTX))
-		return -EPERM;
-	error = permission(inode, MAY_WRITE, NULL);
-	if (error)
-		return error;
 
 	return ext2_xattr_set(inode, EXT2_XATTR_INDEX_USER, name,
 			      value, size, flags);