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In NDIS 5.1 miniport drivers, the shutdown handler function pointer

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is provided to NDIS via the the miniport characteristics structure
supplied in the call to NdisMRegisterMiniport(). But in NDIS 5.0
and earlier, you had to call NdisMRegisterAdapterShutdownHandler()
and supply both a function pointer and context pointer.

We try to handle both cases in ndis_shutdown_nic(). If the
driver registered a shutdown routine and a context,then used
that context, otherwise pass it the adapter context from
NdisMSetAttributesEx().

This fixes a panic on shutdown with the sample Intel 82559 e100bex.sys
driver from the Windows DDK.
function pointer
This commit is contained in:
Bill Paul 2003-12-12 05:27:58 +00:00
parent c42411d56f
commit d7e92f7b85
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=123485
1 changed files with 4 additions and 1 deletions
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5
sys/compat/ndis/kern_ndis.c
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@ -770,7 +770,10 @@ ndis_shutdown_nic(arg)
if (shutdownfunc == NULL)
return(EINVAL);
shutdownfunc(sc->ndis_chars.nmc_rsvd0);
if (sc->ndis_chars.nmc_rsvd0 == NULL)
shutdownfunc(adapter);
else
shutdownfunc(sc->ndis_chars.nmc_rsvd0);
return(0);
}