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[NTOSKRNL]

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Do not try to dereference Irp->UserIosb if it is NULL, to avoid unnecessary exceptions (inside SEH).

svn path=/trunk/; revision=64947
This commit is contained in:
Timo Kreuzer 2014-10-24 07:16:44 +00:00
parent 08701eea3f
commit 02995bf1a1
1 changed files with 13 additions and 9 deletions
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22
reactos/ntoskrnl/io/iomgr/irp.c
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@ -324,17 +324,21 @@ IopCompleteRequest(IN PKAPC Apc,
Key = FileObject->CompletionContext->Key;
}
/* Use SEH to make sure we don't write somewhere invalid */
_SEH2_TRY
/* Check for UserIos */
if (Irp->UserIosb != NULL)
{
/* Save the IOSB Information */
*Irp->UserIosb = Irp->IoStatus;
/* Use SEH to make sure we don't write somewhere invalid */
_SEH2_TRY
{
/* Save the IOSB Information */
*Irp->UserIosb = Irp->IoStatus;
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
/* Ignore any error */
}
_SEH2_END;
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
/* Ignore any error */
}
_SEH2_END;
/* Check if we have an event or a file object */
if (Irp->UserEvent)