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| author | Michael Brown | 2020-11-28 23:44:09 +0100 |
|---|---|---|
| committer | Michael Brown | 2020-11-29 12:25:40 +0100 |
| commit | a8442750e6059335f1f7f5ce8b2fb803a6953789 (patch) | |
| tree | 897b92cd4e24427d11c95f342004e77f630b0e58 /src/interface/linux/linux_entropy.c | |
| parent | [netdevice] Fix misleading comment on netdev_rx() (diff) | |
| download | ipxe-a8442750e6059335f1f7f5ce8b2fb803a6953789.tar.gz ipxe-a8442750e6059335f1f7f5ce8b2fb803a6953789.tar.xz ipxe-a8442750e6059335f1f7f5ce8b2fb803a6953789.zip | |
[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/interface/linux/linux_entropy.c')
0 files changed, 0 insertions, 0 deletions