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author | Xiaoyan Zhang <xiaoyan.zhang@intel.com> | 2013-08-29 20:39:11 +0800 |
---|---|---|
committer | James Morris <james.l.morris@oracle.com> | 2012-09-04 16:52:23 -0700 |
commit | 81198078d7da4240f3cbfc2c6a8ea6cd417f51a7 (patch) | |
tree | 8f92437b16f9013d2632a149dea0a0cf357d2734 /drivers/char/tpm/tpm_ppi.c | |
parent | f84fdff0fdcda7e509ce530e0ee612233a2104fb (diff) | |
download | op-kernel-dev-81198078d7da4240f3cbfc2c6a8ea6cd417f51a7.zip op-kernel-dev-81198078d7da4240f3cbfc2c6a8ea6cd417f51a7.tar.gz |
driver/char/tpm: declare internal symbols as static
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>
Diffstat (limited to 'drivers/char/tpm/tpm_ppi.c')
-rw-r--r-- | drivers/char/tpm/tpm_ppi.c | 37 |
1 files changed, 19 insertions, 18 deletions
diff --git a/drivers/char/tpm/tpm_ppi.c b/drivers/char/tpm/tpm_ppi.c index 440fa1c..f27b58c 100644 --- a/drivers/char/tpm/tpm_ppi.c +++ b/drivers/char/tpm/tpm_ppi.c @@ -53,8 +53,8 @@ static inline void ppi_assign_params(union acpi_object params[4], params[3].package.elements = NULL; } -ssize_t tpm_show_ppi_version(struct device *dev, struct device_attribute *attr, - char *buf) +static ssize_t tpm_show_ppi_version(struct device *dev, + struct device_attribute *attr, char *buf) { acpi_handle handle; acpi_status status; @@ -82,9 +82,8 @@ ssize_t tpm_show_ppi_version(struct device *dev, struct device_attribute *attr, return status; } -ssize_t tpm_show_ppi_request(struct device *dev, - struct device_attribute *attr, - char *buf) +static ssize_t tpm_show_ppi_request(struct device *dev, + struct device_attribute *attr, char *buf) { acpi_handle handle; acpi_status status; @@ -132,9 +131,9 @@ cleanup: return status; } -ssize_t tpm_store_ppi_request(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) +static ssize_t tpm_store_ppi_request(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) { char version[PPI_VERSION_LEN + 1]; acpi_handle handle; @@ -207,9 +206,9 @@ ssize_t tpm_store_ppi_request(struct device *dev, return status; } -ssize_t tpm_show_ppi_transition_action(struct device *dev, - struct device_attribute *attr, - char *buf) +static ssize_t tpm_show_ppi_transition_action(struct device *dev, + struct device_attribute *attr, + char *buf) { char version[PPI_VERSION_LEN + 1]; acpi_handle handle; @@ -269,9 +268,9 @@ ssize_t tpm_show_ppi_transition_action(struct device *dev, return status; } -ssize_t tpm_show_ppi_response(struct device *dev, - struct device_attribute *attr, - char *buf) +static ssize_t tpm_show_ppi_response(struct device *dev, + struct device_attribute *attr, + char *buf) { acpi_handle handle; acpi_status status; @@ -413,14 +412,16 @@ static ssize_t show_ppi_operations(char *buf, u32 start, u32 end) return str - buf; } -ssize_t tpm_show_ppi_tcg_operations(struct device *dev, - struct device_attribute *attr, char *buf) +static ssize_t tpm_show_ppi_tcg_operations(struct device *dev, + struct device_attribute *attr, + char *buf) { return show_ppi_operations(buf, 0, PPI_TPM_REQ_MAX); } -ssize_t tpm_show_ppi_vs_operations(struct device *dev, - struct device_attribute *attr, char *buf) +static ssize_t tpm_show_ppi_vs_operations(struct device *dev, + struct device_attribute *attr, + char *buf) { return show_ppi_operations(buf, PPI_VS_REQ_START, PPI_VS_REQ_END); } |