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: stable@xxxxxxxxxxxxxxx > Fixes: d23d12484307 ("tpm: fix invalid locking in NONBLOCKING mode") > Reported-by: Laura Abbott <labbott@xxxxxxxxxx> > Signed-off-by: Tadeusz Struk <tadeusz.struk@xxxxxxxxx> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx> Adding to the next PR. /Jarkko