Merge branch 'master' into next

[cascardo/linux.git] / drivers / char / tpm / tpm.c

diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index 0b3af3f..1f46f1c 100644 (file)
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -736,7 +736,7 @@ int tpm_pcr_read(u32 chip_num, int pcr_idx, u8 *res_buf)
        if (chip == NULL)
                return -ENODEV;
        rc = __tpm_pcr_read(chip, pcr_idx, res_buf);
-       module_put(chip->dev->driver->owner);
+       tpm_chip_put(chip);
        return rc;
 }
 EXPORT_SYMBOL_GPL(tpm_pcr_read);
@@ -775,11 +775,27 @@ int tpm_pcr_extend(u32 chip_num, int pcr_idx, const u8 *hash)
        rc = transmit_cmd(chip, &cmd, EXTEND_PCR_RESULT_SIZE,
                          "attempting extend a PCR value");
 
-       module_put(chip->dev->driver->owner);
+       tpm_chip_put(chip);
        return rc;
 }
 EXPORT_SYMBOL_GPL(tpm_pcr_extend);
 
+int tpm_send(u32 chip_num, void *cmd, size_t buflen)
+{
+       struct tpm_chip *chip;
+       int rc;
+
+       chip = tpm_chip_find_get(chip_num);
+       if (chip == NULL)
+               return -ENODEV;
+
+       rc = transmit_cmd(chip, cmd, buflen, "attempting tpm_cmd");
+
+       tpm_chip_put(chip);
+       return rc;
+}
+EXPORT_SYMBOL_GPL(tpm_send);
+
 ssize_t tpm_show_pcrs(struct device *dev, struct device_attribute *attr,
                      char *buf)
 {