Drop microcode cache when load operation fails to update microcode.

Also make __apply_microcode_amd() return correct error.

v2:
- Copy stable on the first patch

Boris Ostrovsky (2):
  x86/microcode/AMD: Fix __apply_microcode_amd()'s return value
  x86/microcode/AMD: Clean the cache if update did not load microcode

 arch/x86/kernel/cpu/microcode/amd.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

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2.43.5