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authorEric Biggers <ebiggers@google.com>2018-09-07 22:22:23 +0200
committerMimi Zohar <zohar@linux.ibm.com>2018-10-10 18:56:15 +0200
commitb2724d5802a77b7fb47e84d9b88b80370eccbc64 (patch)
tree59917073de892c95ac1b59b3ae8c31f2ecf76749 /security/integrity/ima/ima_template.c
parentvfs: require i_size <= SIZE_MAX in kernel_read_file() (diff)
downloadlinux-b2724d5802a77b7fb47e84d9b88b80370eccbc64.tar.xz
linux-b2724d5802a77b7fb47e84d9b88b80370eccbc64.zip
security/integrity: constify some read-only data
Constify some static data that is never modified, so that it is placed in .rodata. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
Diffstat (limited to 'security/integrity/ima/ima_template.c')
-rw-r--r--security/integrity/ima/ima_template.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/security/integrity/ima/ima_template.c b/security/integrity/ima/ima_template.c
index 30db39b23804..b631b8bc7624 100644
--- a/security/integrity/ima/ima_template.c
+++ b/security/integrity/ima/ima_template.c
@@ -32,7 +32,7 @@ static struct ima_template_desc builtin_templates[] = {
static LIST_HEAD(defined_templates);
static DEFINE_SPINLOCK(template_list);
-static struct ima_template_field supported_fields[] = {
+static const struct ima_template_field supported_fields[] = {
{.field_id = "d", .field_init = ima_eventdigest_init,
.field_show = ima_show_template_digest},
{.field_id = "n", .field_init = ima_eventname_init,
@@ -49,7 +49,7 @@ static struct ima_template_field supported_fields[] = {
static struct ima_template_desc *ima_template;
static struct ima_template_desc *lookup_template_desc(const char *name);
static int template_desc_init_fields(const char *template_fmt,
- struct ima_template_field ***fields,
+ const struct ima_template_field ***fields,
int *num_fields);
static int __init ima_template_setup(char *str)
@@ -125,7 +125,8 @@ static struct ima_template_desc *lookup_template_desc(const char *name)
return found ? template_desc : NULL;
}
-static struct ima_template_field *lookup_template_field(const char *field_id)
+static const struct ima_template_field *
+lookup_template_field(const char *field_id)
{
int i;
@@ -153,11 +154,11 @@ static int template_fmt_size(const char *template_fmt)
}
static int template_desc_init_fields(const char *template_fmt,
- struct ima_template_field ***fields,
+ const struct ima_template_field ***fields,
int *num_fields)
{
const char *template_fmt_ptr;
- struct ima_template_field *found_fields[IMA_TEMPLATE_NUM_FIELDS_MAX];
+ const struct ima_template_field *found_fields[IMA_TEMPLATE_NUM_FIELDS_MAX];
int template_num_fields;
int i, len;