f2fs: remove unnecessary initialization in xattr.c

These variables will be explicitly assigned before use,
so there is no need to initialize.
Signed-off-by: Liu Song <liu.song11@zte.com.cn>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

fs/f2fs/xattr.c

@@ -327,7 +327,7 @@ static int lookup_all_xattrs(struct inode *inode, struct page *ipage,
 	void *last_addr = NULL;
 	nid_t xnid = F2FS_I(inode)->i_xattr_nid;
 	unsigned int inline_size = inline_xattr_size(inode);
-	int err = 0;
+	int err;
 
 	if (!xnid && !inline_size)
 		return -ENODATA;
@@ -515,7 +515,7 @@ int f2fs_getxattr(struct inode *inode, int index, const char *name,
 		void *buffer, size_t buffer_size, struct page *ipage)
 {
 	struct f2fs_xattr_entry *entry = NULL;
-	int error = 0;
+	int error;
 	unsigned int size, len;
 	void *base_addr = NULL;
 	int base_size;
@@ -562,7 +562,7 @@ ssize_t f2fs_listxattr(struct dentry *dentry, char *buffer, size_t buffer_size)
 	struct inode *inode = d_inode(dentry);
 	struct f2fs_xattr_entry *entry;
 	void *base_addr, *last_base_addr;
-	int error = 0;
+	int error;
 	size_t rest = buffer_size;
 
 	down_read(&F2FS_I(inode)->i_xattr_sem);
@@ -632,7 +632,7 @@ static int __f2fs_setxattr(struct inode *inode, int index,
 	int found, newsize;
 	size_t len;
 	__u32 new_hsize;
-	int error = 0;
+	int error;
 
 	if (name == NULL)
 		return -EINVAL;