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Fixed nonsense overflow checking (checking that a long variable is less

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than INT_MAX after it has possibly overflowed).

Removed an unused variable and its associated 2 style bugs.

Removed unused includes.
This commit is contained in:
Bruce Evans 1998-08-17 17:28:10 +00:00
parent 16e164e393
commit 2d2f8ae7ad
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=38402
1 changed files with 5 additions and 7 deletions
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12
sys/kern/vfs_aio.c
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@ -13,7 +13,7 @@
* bad that happens because of using this software isn't the responsibility
* of the author. This software is distributed AS-IS.
*
* $Id: vfs_aio.c,v 1.31 1998/07/05 20:33:18 julian Exp $
* $Id: vfs_aio.c,v 1.32 1998/07/15 06:51:14 bde Exp $
*/
/*
@ -30,8 +30,7 @@
#include <sys/lock.h>
#include <sys/unistd.h>
#include <sys/proc.h>
#include <sys/uio.h>
#include <sys/malloc.h>
#include <sys/resourcevar.h>
#include <sys/signalvar.h>
#include <sys/sysctl.h>
#include <sys/vnode.h>
@ -46,7 +45,6 @@
#include <vm/vm_zone.h>
#include <sys/aio.h>
#include <sys/shm.h>
#include <sys/user.h>
#include <machine/cpu.h>
#include <machine/limits.h>
@ -541,7 +539,6 @@ aio_process(struct aiocblist *aiocbe)
struct iovec aiov;
unsigned int fd;
int cnt;
static nperline=0;
int error;
off_t offset;
int oublock_st, oublock_end;
@ -1277,9 +1274,10 @@ _aio_aqueue(struct proc *p, struct aiocb *job, struct aio_liojob *lj, int type)
}
aiocbe->uaiocb._aiocb_private.kernelinfo = (void *)(intptr_t)jobrefid;
jobrefid++;
if (jobrefid > INT_MAX)
if (jobrefid == LONG_MAX)
jobrefid = 1;
else
jobrefid++;
if (opcode == LIO_NOP) {
TAILQ_INSERT_HEAD(&aio_freejobs, aiocbe, list);