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(parent: 735fd22) | patch
efi_loader: AllocateAdress error handling
authorHeinrich Schuchardt <xypron.glpk@gmx.de>
Sat, 11 May 2019 06:21:17 +0000 (08:21 +0200)
committerHeinrich Schuchardt <xypron.glpk@gmx.de>
Sun, 12 May 2019 18:54:22 +0000 (20:54 +0200)
commitf756fe83b0d6e189dd524346d22f668d0861e573
tree9462ec2536eabca5da0e8600822bb7e5fc77b075tree | snapshot
parent735fd22800bbe3177edf1491a26794427541102dcommit | diff
efi_loader: AllocateAdress error handling

If AllocatePages() is called with AllocateAddress, the UEFI spec requires
to return EFI_NOT_FOUND in case the memory page does not exist.

The UEFI SCT II 2017 spec additionally requires to return EFI_NOT_FOUND if
the page is already allocated.

Check that *Memory refers to an unallocated page.

UEFI SCT II (2017): AllocatePages(), 5.1.2.1.9 - 5.1.2.1.10

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
lib/efi_loader/efi_memory.c diff | blob | history
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