while compiling with GCC I have found two issues in PcatPciRootBridge.c:
* when vendor id is read, the code read 2 * 2 bytes into a buffer of 2 bytes.
The 'buffer overflow' crashed efi.
* when pci configuration header is read, the code read by chunks of 4 bytes,
but the buffer is aligned on 2 bytes. According to the compilation options,
the reads may fail (and the failure is ignored).
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7602 6f19259b-4bc3-4df7-8a09-765794883524
In PcatPciRootBridge.c -> GetPciExpressBaseAddressForRootBridge,
fixed a hang condition if the PCI Express Base Address HOB is
not present.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6684 6f19259b-4bc3-4df7-8a09-765794883524
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