For structure types defined in the same file or local header files, find
top-level static structure declarations that have the following
properties:
1. Never reassigned.
2. Address never taken
3. Not passed to a top-level macro call
4. No pointer or array-typed field passed to a function or stored in a
variable.
Declare structures having all of these properties as const.
Done using Coccinelle.
Based on a suggestion by Joe Perches <j...@perches.com>.
Signed-off-by: Julia Lawall <julia.law...@lip6.fr>
---
The semantic patch seems too long for a commit log, but is in the cover
letter.
drivers/char/tpm/tpm-interface.c | 10 +++++-----
drivers/char/tpm/tpm-sysfs.c | 2 +-
2 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c
index 1abe2d7..e84888f 100644
--- a/drivers/char/tpm/tpm-interface.c
+++ b/drivers/char/tpm/tpm-interface.c
@@ -633,7 +633,7 @@ EXPORT_SYMBOL_GPL(tpm_get_timeouts);
#define TPM_ORD_CONTINUE_SELFTEST 83
#define CONTINUE_SELFTEST_RESULT_SIZE 10
-static struct tpm_input_header continue_selftest_header = {
+static const struct tpm_input_header continue_selftest_header = {
.tag = TPM_TAG_RQU_COMMAND,
.length = cpu_to_be32(10),
.ordinal = cpu_to_be32(TPM_ORD_CONTINUE_SELFTEST),
@@ -659,7 +659,7 @@ static int tpm_continue_selftest(struct tpm_chip *chip)
#define TPM_ORDINAL_PCRREAD cpu_to_be32(21)
#define READ_PCR_RESULT_SIZE 30
-static struct tpm_input_header pcrread_header = {
+static const struct tpm_input_header pcrread_header = {
.tag = TPM_TAG_RQU_COMMAND,
.length = cpu_to_be32(14),
.ordinal = TPM_ORDINAL_PCRREAD
@@ -745,7 +745,7 @@ EXPORT_SYMBOL_GPL(tpm_pcr_read);
*/
#define TPM_ORD_PCR_EXTEND cpu_to_be32(20)
#define EXTEND_PCR_RESULT_SIZE 34
-static struct tpm_input_header pcrextend_header = {
+static const struct tpm_input_header pcrextend_header = {
.tag = TPM_TAG_RQU_COMMAND,
.length = cpu_to_be32(34),
.ordinal = TPM_ORD_PCR_EXTEND
@@ -949,7 +949,7 @@ EXPORT_SYMBOL_GPL(wait_for_tpm_stat);
#define TPM_ORD_SAVESTATE cpu_to_be32(152)
#define SAVESTATE_RESULT_SIZE 10
-static struct tpm_input_header savestate_header = {
+static const struct tpm_input_header savestate_header = {
.tag = TPM_TAG_RQU_COMMAND,
.length = cpu_to_be32(10),
.ordinal = TPM_ORD_SAVESTATE
@@ -1032,7 +1032,7 @@ int tpm_pm_resume(struct device *dev)
EXPORT_SYMBOL_GPL(tpm_pm_resume);
#define TPM_GETRANDOM_RESULT_SIZE 18
-static struct tpm_input_header tpm_getrandom_header = {
+static const struct tpm_input_header tpm_getrandom_header = {
.tag = TPM_TAG_RQU_COMMAND,
.length = cpu_to_be32(14),
.ordinal = TPM_ORD_GET_RANDOM
diff --git a/drivers/char/tpm/tpm-sysfs.c b/drivers/char/tpm/tpm-sysfs.c
index b46cf70..26fccad 100644
--- a/drivers/char/tpm/tpm-sysfs.c
+++ b/drivers/char/tpm/tpm-sysfs.c
@@ -22,7 +22,7 @@
#define READ_PUBEK_RESULT_SIZE 314
#define TPM_ORD_READPUBEK cpu_to_be32(124)
-static struct tpm_input_header tpm_readpubek_header = {
+static const struct tpm_input_header tpm_readpubek_header = {
.tag = TPM_TAG_RQU_COMMAND,
.length = cpu_to_be32(30),
.ordinal = TPM_ORD_READPUBEK
