On Tue, May 19, 2026 at 11:01 PM Rafael J. Wysocki <[email protected]> wrote: > > On Sat, May 16, 2026 at 3:15 AM Jarkko Sakkinen <[email protected]> wrote: > > > > On Tue, May 12, 2026 at 06:16:23PM +0200, Rafael J. Wysocki wrote: > > > From: "Rafael J. Wysocki" <[email protected]> > > > > > > Every platform driver can be forced to match a device that doesn't match > > > its list of device IDs because of device_match_driver_override(), so > > > platform drivers that rely on the existence of a device's ACPI companion > > > object need to verify its presence. > > > > > > Accordingly, add a requisite ACPI_COMPANION() check against NULL to the > > > tpm_crb driver. > > > > > > Fixes: 48fe2cddc85c ("tpm_crb: Convert ACPI driver to a platform one") > > > Signed-off-by: Rafael J. Wysocki <[email protected]> > > > --- > > > drivers/char/tpm/tpm_crb.c | 6 +++++- > > > 1 file changed, 5 insertions(+), 1 deletion(-) > > > > > > --- a/drivers/char/tpm/tpm_crb.c > > > +++ b/drivers/char/tpm/tpm_crb.c > > > @@ -786,8 +786,8 @@ static int crb_map_pluton(struct device > > > static int crb_acpi_probe(struct platform_device *pdev) > > > { > > > struct device *dev = &pdev->dev; > > > - struct acpi_device *device = ACPI_COMPANION(dev); > > > struct acpi_table_tpm2 *buf; > > > + struct acpi_device *device; > > > struct crb_priv *priv; > > > struct tpm_chip *chip; > > > struct tpm2_crb_smc *crb_smc; > > > @@ -797,6 +797,10 @@ static int crb_acpi_probe(struct platfor > > > u32 sm; > > > int rc; > > > > > > + device = ACPI_COMPANION(dev); > > > + if (!device) > > > + return -ENODEV; > > > + > > > status = acpi_get_table(ACPI_SIG_TPM2, 1, > > > (struct acpi_table_header **) &buf); > > > if (ACPI_FAILURE(status) || buf->header.length < sizeof(*buf)) { > > > > > > > > > > > > > Reviewed-by: Jarkko Sakkinen <[email protected]> > > Thanks! > > So do you want me to pick up this one?
I took the silence as consent and picked it up. If you'd rather route it differently, please let me know. Thanks!
