[PATCH 1/1] tpm: call tpm_tis_wait_init() after tpm_tis_init()
lukas.funke-oss at weidmueller.com
lukas.funke-oss at weidmueller.com
Mon Jul 15 13:23:01 CEST 2024
From: Lukas Funke <lukas.funke at weidmueller.com>
tpm_tis_wait_init() is using the 'chip->timeout_b' field which is
initialized in tpm_tis_init(). However, the init-function is called
*after* tpm_tis_wait_init() introducing an uninitalized field access.
This commit switches both routines.
Signed-off-by: Lukas Funke <lukas.funke at weidmueller.com>
---
drivers/tpm/tpm2_tis_spi.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/tpm/tpm2_tis_spi.c b/drivers/tpm/tpm2_tis_spi.c
index b0fe97ab1d0..5a4dbfd3ccb 100644
--- a/drivers/tpm/tpm2_tis_spi.c
+++ b/drivers/tpm/tpm2_tis_spi.c
@@ -256,17 +256,17 @@ static int tpm_tis_spi_probe(struct udevice *dev)
/* Ensure a minimum amount of time elapsed since reset of the TPM */
mdelay(drv_data->time_before_first_cmd_ms);
+ tpm_tis_ops_register(dev, &phy_ops);
+ ret = tpm_tis_init(dev);
+ if (ret)
+ goto err;
+
ret = tpm_tis_wait_init(dev, chip->locality);
if (ret) {
log(LOGC_DM, LOGL_ERR, "%s: no device found\n", __func__);
return ret;
}
- tpm_tis_ops_register(dev, &phy_ops);
- ret = tpm_tis_init(dev);
- if (ret)
- goto err;
-
priv->pcr_count = drv_data->pcr_count;
priv->pcr_select_min = drv_data->pcr_select_min;
priv->version = TPM_V2;
--
2.30.2
More information about the U-Boot
mailing list