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author | Michael Brown <mcb30@ipxe.org> | 2020-11-28 22:44:09 +0000 |
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committer | Michael Brown <mcb30@ipxe.org> | 2020-11-29 11:25:40 +0000 |
commit | a8442750e6059335f1f7f5ce8b2fb803a6953789 (patch) | |
tree | 897b92cd4e24427d11c95f342004e77f630b0e58 /src/core | |
parent | a2e5cf1a3fb7bbffb4136a12daea9145577a3241 (diff) | |
download | ipxe-a8442750e6059335f1f7f5ce8b2fb803a6953789.tar.gz |
[efi] Avoid requesting zero-length DMA mappings
The UEFI specification does not prohibit zero-length DMA mappings.
However, there is a reasonable chance that at least one implementation
will treat it as an invalid parameter. As a precaution, avoid calling
EFI_PCI_IO_PROTOCOL.Map() with a length of zero.
Signed-off-by: Michael Brown <mcb30@ipxe.org>
Diffstat (limited to 'src/core')
0 files changed, 0 insertions, 0 deletions