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[VIDEOPRT] VideoPortGetAccessRanges: Return ERROR_MORE_DATA if there exist more device access ranges that can be returned than what is specified by NumAccessRanges.

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Hermès Bélusca-Maïto 2023-06-28 17:12:36 +02:00
parent 122eaeb6ad
commit 5cb2b73988
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1 changed files with 5 additions and 2 deletions
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7
win32ss/drivers/videoprt/resource.c
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@ -617,6 +617,8 @@ VideoPortUnmapMemory(
* - NO_ERROR if the resources have been successfully claimed or released.
* - ERROR_INVALID_PARAMETER if an error or a conflict occurred.
* - ERROR_DEV_NOT_EXIST if the device is not found.
* - ERROR_MORE_DATA if there exist more device access ranges available
* than what is specified by @p NumAccessRanges.
* - ERROR_NOT_ENOUGH_MEMORY if there is not enough memory available.
**/
VP_STATUS
@ -767,7 +769,7 @@ VideoPortGetAccessRanges(
if (NumAccessRanges < LegacyAccessRangeCount)
{
ERR_(VIDEOPRT, "Too many legacy access ranges found\n");
return ERROR_NOT_ENOUGH_MEMORY;
return ERROR_NOT_ENOUGH_MEMORY; // ERROR_MORE_DATA;
}
RtlCopyMemory(AccessRanges, LegacyAccessRanges, LegacyAccessRangeCount * sizeof(VIDEO_ACCESS_RANGE));
@ -837,7 +839,7 @@ VideoPortGetAccessRanges(
AssignedCount >= NumAccessRanges)
{
ERR_(VIDEOPRT, "Too many access ranges found\n");
return ERROR_NOT_ENOUGH_MEMORY;
return ERROR_MORE_DATA;
}
else if (Descriptor->Type == CmResourceTypeMemory)
{
@ -878,6 +880,7 @@ VideoPortGetAccessRanges(
else
DeviceExtension->InterruptShared = FALSE;
}
// else if (Descriptor->Type == CmResourceTypeDma) // TODO!
else
{
ASSERT(FALSE);