Hello Javier González, The patch dd2a43437337: "lightnvm: pblk: sched. metadata on write thread" from Jun 26, 2017, leads to the following static checker warning: drivers/lightnvm/pblk-init.c:822 pblk_lines_init() warn: 'pblk->lines' double freed drivers/lightnvm/pblk-init.c 810 811 return 0; 812 fail_free_lines: 813 while (--i >= 0) 814 pblk_free_line_bitmaps(&pblk->lines[i]); 815 816 kfree(pblk->lines); ^^^^^^^^^^^ Freed. 817 fail_free_bb_aux: 818 kfree(l_mg->bb_aux); 819 fail_free_bb_template: 820 kfree(l_mg->bb_template); 821 fail_free_meta: 822 pblk_line_meta_free(pblk); ^^^^ Double freed. 823 fail: 824 for (i = 0; i < geo->nr_luns; i++) 825 kfree(pblk->luns[i].bb_list); 826 827 return ret; 828 } regards, dan carpenter