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driver/char/tpm: declare internal symbols as static

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This patch declares the internal struct and functions as static to provide
more security.

Signed-off-by: Xiaoyan Zhang <xiaoyan.zhang@intel.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Reviewed-by: Kent Yoder <key@linux.vnet.ibm.com>
Signed-off-by: James Morris <james.l.morris@oracle.com>
This commit is contained in:
Xiaoyan Zhang
2013-08-29 20:39:11 +08:00
committed by James Morris
parent f84fdff0fd
commit 81198078d7
2 changed files with 21 additions and 20 deletions
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4
drivers/char/tpm/tpm.c
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@@ -915,7 +915,7 @@ EXPORT_SYMBOL_GPL(tpm_show_pcrs);
#define READ_PUBEK_RESULT_SIZE 314
#define TPM_ORD_READPUBEK cpu_to_be32(124)
struct tpm_input_header tpm_readpubek_header = {
static struct tpm_input_header tpm_readpubek_header = {
.tag = TPM_TAG_RQU_COMMAND,
.length = cpu_to_be32(30),
.ordinal = TPM_ORD_READPUBEK
@@ -1395,7 +1395,7 @@ EXPORT_SYMBOL_GPL(tpm_dev_vendor_release);
* Once all references to platform device are down to 0,
* release all allocated structures.
*/
void tpm_dev_release(struct device *dev)
static void tpm_dev_release(struct device *dev)
{
struct tpm_chip *chip = dev_get_drvdata(dev);