20  *  Plugged two leaks. 1) It didn't return acct_file into the free_filps if
75 #define SUSPEND		(acct_parm[1])	/* <foo% free space - suspend */
142 			acct->active = 1;  in check_free_space()
259 	atomic_long_set(&acct->count, 1);  in acct_on()
267 	mutex_lock_nested(&acct->lock, 1);	/* nobody has seen it yet */  in acct_on()
332 #define	MAXFRACT	((1 << MANTSIZE) - 1)	/* Maximum fractional value. */
340 		rnd = value & (1 << (EXPSIZE - 1));	/* Round up? */  in encode_comp_t()
363 #if ACCT_VERSION == 1 || ACCT_VERSION == 2
375 #define MAXFRACT2       ((1ul << MANTSIZE2) - 1) /* Maximum fractional value. */
376 #define MAXEXP2         ((1 << EXPSIZE2) - 1)    /* Maximum exponent. */
382 	exp = (value > (MAXFRACT2>>1));  in encode_comp2_t()
385 		rnd = value & 1;  in encode_comp2_t()
386 		value >>= 1;  in encode_comp2_t()
394 		value >>= 1;  in encode_comp2_t()
400 		return (1ul << (MANTSIZE2+EXPSIZE2-1)) - 1;  in encode_comp2_t()
402 		return (value & (MAXFRACT2>>1)) | (exp << (MANTSIZE2-1));  in encode_comp2_t()
417 		value <<= 1;  in encode_float()
434 static void fill_ac(acct_t *ac)  in fill_ac()  argument
445 	memset(ac, 0, sizeof(acct_t));  in fill_ac()
447 	ac->ac_version = ACCT_VERSION | ACCT_BYTEORDER;  in fill_ac()
448 	strscpy(ac->ac_comm, current->comm, sizeof(ac->ac_comm));  in fill_ac()
456 	ac->ac_etime = encode_float(elapsed);  in fill_ac()
458 	ac->ac_etime = encode_comp_t(elapsed < (unsigned long) -1l ?  in fill_ac()
459 				(unsigned long) elapsed : (unsigned long) -1l);  in fill_ac()
461 #if ACCT_VERSION == 1 || ACCT_VERSION == 2  in fill_ac()
466 		ac->ac_etime_hi = etime >> 16;  in fill_ac()
467 		ac->ac_etime_lo = (u16) etime;  in fill_ac()
472 	ac->ac_btime = clamp_t(time64_t, btime, 0, U32_MAX);  in fill_ac()
474 	ac->ac_ahz = AHZ;  in fill_ac()
479 	ac->ac_tty = tty ? old_encode_dev(tty_devnum(tty)) : 0;  in fill_ac()
480 	ac->ac_utime = encode_comp_t(nsec_to_AHZ(pacct->ac_utime));  in fill_ac()
481 	ac->ac_stime = encode_comp_t(nsec_to_AHZ(pacct->ac_stime));  in fill_ac()
482 	ac->ac_flag = pacct->ac_flag;  in fill_ac()
483 	ac->ac_mem = encode_comp_t(pacct->ac_mem);  in fill_ac()
484 	ac->ac_minflt = encode_comp_t(pacct->ac_minflt);  in fill_ac()
485 	ac->ac_majflt = encode_comp_t(pacct->ac_majflt);  in fill_ac()
486 	ac->ac_exitcode = pacct->ac_exitcode;  in fill_ac()
494 	acct_t ac;  in do_acct_process()  local
514 	fill_ac(&ac);  in do_acct_process()
516 	ac.ac_uid = from_kuid_munged(file->f_cred->user_ns, orig_cred->uid);  in do_acct_process()
517 	ac.ac_gid = from_kgid_munged(file->f_cred->user_ns, orig_cred->gid);  in do_acct_process()
518 #if ACCT_VERSION == 1 || ACCT_VERSION == 2  in do_acct_process()
520 	ac.ac_uid16 = ac.ac_uid;  in do_acct_process()
521 	ac.ac_gid16 = ac.ac_gid;  in do_acct_process()
526 		ac.ac_pid = task_tgid_nr_ns(current, ns);  in do_acct_process()
528 		ac.ac_ppid = task_tgid_nr_ns(rcu_dereference(current->real_parent),  in do_acct_process()
540 		__kernel_write(file, &ac, sizeof(acct_t), &pos);  in do_acct_process()