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tpm: Fix fault in case CONFIG_DM_TPM is set without any TPM
In case CONFIG_DM_TPM was set without any TPM chipset configured a fault was generated (NULL pointer access). Reviewed-by: Simon Glass <sjg@chromium.org> Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
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2 changed files with 2 additions and 2 deletions
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@ -448,7 +448,7 @@ static int get_tpm(struct udevice **devp)
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int rc;
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rc = uclass_first_device(UCLASS_TPM, devp);
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if (rc) {
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if (rc || !*devp) {
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printf("Could not find TPM (ret=%d)\n", rc);
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return CMD_RET_FAILURE;
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}
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@ -262,7 +262,7 @@ int tpm_init(void)
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struct udevice *dev;
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err = uclass_first_device(UCLASS_TPM, &dev);
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if (err)
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if (err || !dev)
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return err;
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return tpm_open(dev);
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}
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