f2fs: remove redundant assignment to variable err

The variable err is being assigned a value zero and then the following
goto page_hit reassigns err a new value. The zero assignment is redundant
and can be removed.

Signed-off-by: Colin Ian King <[email protected]>
[Jaegeuk Kim: clean up braces and if condition, suggested by Dan Carpenter]
Reviewed-by: Chao Yu <[email protected]>
Signed-off-by: Jaegeuk Kim <[email protected]>

Author: ColinIanKing

fs/f2fs/node.c

@@ -1494,12 +1494,10 @@ static struct folio *__get_node_folio(struct f2fs_sb_info *sbi, pgoff_t nid,
 		return folio;
 
 	err = read_node_page(&folio->page, 0);
-	if (err < 0) {
+	if (err < 0)
 		goto out_put_err;
-	} else if (err == LOCKED_PAGE) {
-		err = 0;
+	if (err == LOCKED_PAGE)
 		goto page_hit;
-	}
 
 	if (parent)
 		f2fs_ra_node_pages(parent, start + 1, MAX_RA_NODE);