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Date: Thu, 10 Nov 2022 16:25:33 +0100 From: Lino Sanfilippo <LinoSanfilippo@....de> To: peterhuewe@....de, jarkko@...nel.org, jgg@...pe.ca Cc: stefanb@...ux.vnet.ibm.com, linux@...ewoehner.de, linux-integrity@...r.kernel.org, linux-kernel@...r.kernel.org, jandryuk@...il.com, pmenzel@...gen.mpg.de, l.sanfilippo@...bus.com, LinoSanfilippo@....de, lukas@...ner.de, p.rosenberger@...bus.com Subject: [PATCH v9 12/12] tpm, tpm_tis: Enable interrupt test From: Lino Sanfilippo <l.sanfilippo@...bus.com> The test for interrupts in tpm_tis_send() is skipped if the flag TPM_CHIP_FLAG_IRQ is not set. Since the current code never sets the flag initially the test is never executed. Fix this by setting the flag in tpm_tis_gen_interrupt() right after interrupts have been enabled and before the test is executed. Signed-off-by: Lino Sanfilippo <l.sanfilippo@...bus.com> --- drivers/char/tpm/tpm_tis_core.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/char/tpm/tpm_tis_core.c b/drivers/char/tpm/tpm_tis_core.c index 469a1db95941..1f78582264eb 100644 --- a/drivers/char/tpm/tpm_tis_core.c +++ b/drivers/char/tpm/tpm_tis_core.c @@ -793,6 +793,8 @@ static int tpm_tis_gen_interrupt(struct tpm_chip *chip) if (ret < 0) return ret; + chip->flags |= TPM_CHIP_FLAG_IRQ; + if (chip->flags & TPM_CHIP_FLAG_TPM2) ret = tpm2_get_tpm_pt(chip, 0x100, &cap2, desc); else -- 2.36.1
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