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author | Jarkko Sakkinen <[email protected]> | 2023-04-26 20:29:28 +0300 |
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committer | Jarkko Sakkinen <[email protected]> | 2023-05-16 02:43:12 +0300 |
commit | 99d46450625590d410f86fe4660a5eff7d3b8343 (patch) | |
tree | 446c3d6a59c7a4a8762954ee3e527ff0b257d686 /lib/mpi/mpiutil.c | |
parent | 1398aa803f198b7a386fdd8404666043e95f4c16 (diff) |
tpm: Prevent hwrng from activating during resume
Set TPM_CHIP_FLAG_SUSPENDED in tpm_pm_suspend() and reset in
tpm_pm_resume(). While the flag is set, tpm_hwrng() gives back zero
bytes. This prevents hwrng from racing during resume.
Cc: [email protected]
Fixes: 6e592a065d51 ("tpm: Move Linux RNG connection to hwrng")
Reviewed-by: Jerry Snitselaar <[email protected]>
Signed-off-by: Jarkko Sakkinen <[email protected]>
Diffstat (limited to 'lib/mpi/mpiutil.c')
0 files changed, 0 insertions, 0 deletions