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tpm_tis: Do *not* flush uninitialized work 

commit 0ea00e249ca992adee54dc71a526ee70ef109e40 upstream.

tpm_tis_core_init() may fail before tpm_tis_probe_irq_single() is
called, in which case tpm_tis_remove() unconditionally calling
flush_work() is triggering a warning for .func still being NULL.

Cc: stable@vger.kernel.org # v6.5+
Fixes: 481c2d1462 ("tpm,tpm_tis: Disable interrupts after 1000 unhandled IRQs")
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jan Beulich 2024-05-29 15:23:25 +03:00 committed by Greg Kroah-Hartman
parent 19e85d9390
commit b54d24eb4a
1 changed files with 2 additions and 1 deletions
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3
drivers/char/tpm/tpm_tis_core.c
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@ -1020,7 +1020,8 @@ void tpm_tis_remove(struct tpm_chip *chip)
interrupt = 0;
tpm_tis_write32(priv, reg, ~TPM_GLOBAL_INT_ENABLE & interrupt);
flush_work(&priv->free_irq_work);
if (priv->free_irq_work.func)
flush_work(&priv->free_irq_work);
tpm_tis_clkrun_enable(chip, false);