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fix intermediate overflow in 'quad = int * int' situation by casting

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the arguments to the multiply to a quad equivalent.  In this case,
    vm_ooffset_t.

Reviewed by:	Archie Cobbs <archie@whistle.com>
This commit is contained in:
Matthew Dillon 1998-12-14 21:17:37 +00:00
parent 6384b0f1bb
commit fe523aa107
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=41803
1 changed files with 2 additions and 2 deletions
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4
sys/kern/vfs_bio.c
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@ -11,7 +11,7 @@
* 2. Absolutely no warranty of function or purpose is made by the author
* John S. Dyson.
*
* $Id: vfs_bio.c,v 1.185 1998/11/18 09:00:47 dg Exp $
* $Id: vfs_bio.c,v 1.186 1998/12/07 17:23:45 eivind Exp $
*/
/*
@ -1288,7 +1288,7 @@ inmem(struct vnode * vp, daddr_t blkno)
tinc = PAGE_SIZE;
if (tinc > vp->v_mount->mnt_stat.f_iosize)
tinc = vp->v_mount->mnt_stat.f_iosize;
off = blkno * vp->v_mount->mnt_stat.f_iosize;
off = (vm_ooffset_t)blkno * (vm_ooffset_t)vp->v_mount->mnt_stat.f_iosize;
for (toff = 0; toff < vp->v_mount->mnt_stat.f_iosize; toff += tinc) {