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SubjectRe: [PATCH] tpm: handle negative priv->response_len in tpm_common_read
On Tue, 2020-01-07 at 14:04 -0800, Tadeusz Struk wrote:
> The priv->responce_length can hold the size of an response or
> an negative error code, and the tpm_common_read() needs to handle
> both cases correctly. Changed the type of responce_length to
> signed and accounted for negative value in tpm_common_read()
> Cc:
> Fixes: d23d12484307 ("tpm: fix invalid locking in NONBLOCKING mode")
> Reported-by: Laura Abbott <>
> Signed-off-by: Tadeusz Struk <>

Reviewed-by: Jarkko Sakkinen <>

Adding to the next PR.


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