651 	char *kbuf = NULL, *pos, *next_line;  in map_write()  local
692 	kbuf = memdup_user_nul(buf, count);  in map_write()
693 	if (IS_ERR(kbuf)) {  in map_write()
694 		ret = PTR_ERR(kbuf);  in map_write()
695 		kbuf = NULL;  in map_write()
701 	pos = kbuf;  in map_write()
799 	kfree(kbuf);  in map_write()
909 	char kbuf[8], *pos;  in proc_setgroups_write()  local
915 	if ((*ppos != 0) || (count >= sizeof(kbuf)))  in proc_setgroups_write()
920 	if (copy_from_user(kbuf, buf, count))  in proc_setgroups_write()
922 	kbuf[count] = '\0';  in proc_setgroups_write()
923 	pos = kbuf;  in proc_setgroups_write()