x86/microcode/AMD: Fix __apply_microcode_amd()'s return value

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commit 31ab12df72 upstream.

When verify_sha256_digest() fails, __apply_microcode_amd() should propagate
the failure by returning false (and not -1 which is promoted to true).

Fixes: 50cef76d5c ("x86/microcode/AMD: Load only SHA256-checksummed patches")
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20250327230503.1850368-2-boris.ostrovsky@oracle.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Boris Ostrovsky 2025-03-27 19:05:02 -04:00 • committed by Greg Kroah-Hartman

parent d39838da59

commit ada88219d5

1 changed files with 1 additions and 1 deletions

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arch/x86/kernel/cpu/microcode/amd.c

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