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[1.1] libct/seccomp/patchbpf: rm duplicated code

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(This is a cherry-pick of 2cd05e44b662fb79c46d5ebfd6c71e9ebc98d40c.)

In findLastSyscalls, we convert libseccomp.ArchNative to the real
libseccomp architecture, but archToNative already does that, so
this code is redundant.

Remove the redundant code, and move its comment to archToNative.

Fixes: 7a8d7162f9 ("seccomp: prepend -ENOSYS stub to all filters")
Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
Signed-off-by: Aleksa Sarai <cyphar@cyphar.com>
This commit is contained in:
Kir Kolyshkin
2022-10-14 18:37:00 -07:00
committed by Aleksa Sarai
parent 2655e7c5a8
commit 6223a65d5d
1 changed files with 0 additions and 10 deletions
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libcontainer/seccomp/patchbpf/enosys_linux.go
-10
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@@ -233,16 +233,6 @@ func findLastSyscalls(config *configs.Seccomp) (lastSyscallMap, error) {
return nil, fmt.Errorf("unable to validate seccomp architecture: %w", err)
}
// Map native architecture to a real architecture value to avoid
// doubling-up the lastSyscall mapping.
if arch == libseccomp.ArchNative {
nativeArch, err := libseccomp.GetNativeArch()
if err != nil {
return nil, fmt.Errorf("unable to get native architecture: %w", err)
}
arch = nativeArch
}
// Figure out native architecture representation of the architecture.
nativeArch, err := archToNative(arch)
if err != nil {