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tpm_tis: Check return code from getting timeouts/durations

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Check the return code from getting the TPM's timeouts and durations
and reject the driver if they could not be read.

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
This commit is contained in:
Stefan Berger 2011-11-11 12:57:05 -05:00 committed by Rajiv Andrade
parent 68d6e6713f
commit 7f326ed7ff
1 changed files with 5 additions and 1 deletions
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6
drivers/char/tpm/tpm_tis.c
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@ -614,7 +614,11 @@ static int tpm_tis_init(struct device *dev, resource_size_t start,
dev_dbg(dev, "\tData Avail Int Support\n");
/* get the timeouts before testing for irqs */
tpm_get_timeouts(chip);
if (tpm_get_timeouts(chip)) {
dev_err(dev, "Could not get TPM timeouts and durations\n");
rc = -ENODEV;
goto out_err;
}
if (tpm_do_selftest(chip)) {
dev_err(dev, "TPM self test failed\n");