From 40631e9fe5f0782c1fbc3019904d1298ac365cd1 Mon Sep 17 00:00:00 2001 From: Dean Camera Date: Thu, 15 Jul 2010 10:34:29 +0000 Subject: Fix pointer aliasing warning in the Mass Storage demos. --- Projects/TempDataLogger/Lib/SCSI.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'Projects/TempDataLogger/Lib/SCSI.c') diff --git a/Projects/TempDataLogger/Lib/SCSI.c b/Projects/TempDataLogger/Lib/SCSI.c index d499d9ac3..5606ac7ca 100644 --- a/Projects/TempDataLogger/Lib/SCSI.c +++ b/Projects/TempDataLogger/Lib/SCSI.c @@ -138,8 +138,7 @@ bool SCSI_DecodeSCSICommand(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo) */ static void SCSI_Command_Inquiry(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo) { - uint16_t AllocationLength = (((uint16_t)MSInterfaceInfo->State.CommandBlock.SCSICommandData[3] << 8) | - MSInterfaceInfo->State.CommandBlock.SCSICommandData[4]); + uint16_t AllocationLength = SwapEndian_16(*(uint32_t*)&MSInterfaceInfo->State.CommandBlock.SCSICommandData[3]); uint16_t BytesTransferred = (AllocationLength < sizeof(InquiryData))? AllocationLength : sizeof(InquiryData); @@ -257,7 +256,7 @@ static void SCSI_Command_ReadWrite_10(USB_ClassInfo_MS_Device_t* const MSInterfa BlockAddress = SwapEndian_32(*(uint32_t*)&MSInterfaceInfo->State.CommandBlock.SCSICommandData[2]); /* Load in the 16-bit total blocks (SCSI uses big-endian, so have to reverse the byte order) */ - TotalBlocks = SwapEndian_16(*(uint16_t*)&MSInterfaceInfo->State.CommandBlock.SCSICommandData[7]); + TotalBlocks = SwapEndian_16(*(uint32_t*)&MSInterfaceInfo->State.CommandBlock.SCSICommandData[7]); /* Check if the block address is outside the maximum allowable value for the LUN */ if (BlockAddress >= VIRTUAL_MEMORY_BLOCKS) -- cgit v1.2.3