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cacc6e2293
The same checks are repeated in three places to decide whether to use hwrng. Consolidate these into a helper. Also this fixes a case that one of them was missing a check in the cleanup path. Fixes: 554b841d4703 ("tpm: Disable RNG for all AMD fTPMs") Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>