jimzah/freebsd-src
1
0
Fork 0
mirror of https://github.com/freebsd/freebsd-src.git synced 2024-11-28 19:52:44 +00:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

Change the order that we look for free memory windows from 0 -> MAX-1

Browse Source 
to MAX-1 -> 0.  This should allow for less potential for conflict
between pccardd/pccardc and drivers.  As far as I can tell no drivers
try to use window 4, so this should be a no-op for them.
This commit is contained in:
Warner Losh 2002-09-08 22:18:06 +00:00
parent aec0ec7779
commit 223e8ce62d
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=103106
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
sys/pccard/pccard.c
View File

@ -384,10 +384,10 @@ crdread(dev_t dev, struct uio *uio, int ioflag)
return (ENXIO);
if (pccard_mem == 0)
return (ENOMEM);
for (win = 0; win < slt->ctrl->maxmem; win++)
for (win = slt->ctrl->maxmem - 1; win >= 0; win--)
if ((slt->mem[win].flags & MDF_ACTIVE) == 0)
break;
if (win >= slt->ctrl->maxmem)
if (win < 0)
return (EBUSY);
mp = &slt->mem[win];
oldmap = *mp;
@ -430,10 +430,10 @@ crdwrite(dev_t dev, struct uio *uio, int ioflag)
return (ENXIO);
if (pccard_mem == 0)
return (ENOMEM);
for (win = 0; win < slt->ctrl->maxmem; win++)
for (win = slt->ctrl->maxmem - 1; win >= 0; win--)
if ((slt->mem[win].flags & MDF_ACTIVE) == 0)
break;
if (win >= slt->ctrl->maxmem)
if (win < 0)
return (EBUSY);
mp = &slt->mem[win];
oldmap = *mp;