[PATCH v1 2/7] platform/x86: hp: hp-bioscfg: Use 2-argument strscpy()
From: Andy Shevchenko
Date: Sun Jun 02 2024 - 05:03:57 EST
Use 2-argument strscpy(), which is not only shorter but also provides
an additional check that destination buffer is an array.
Signed-off-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
---
.../x86/hp/hp-bioscfg/enum-attributes.c | 18 +++++-------------
.../x86/hp/hp-bioscfg/int-attributes.c | 7 ++-----
.../x86/hp/hp-bioscfg/order-list-attributes.c | 18 +++++-------------
.../x86/hp/hp-bioscfg/passwdobj-attributes.c | 19 +++++--------------
.../x86/hp/hp-bioscfg/spmobj-attributes.c | 3 +--
.../x86/hp/hp-bioscfg/string-attributes.c | 12 ++++--------
6 files changed, 22 insertions(+), 55 deletions(-)
diff --git a/drivers/platform/x86/hp/hp-bioscfg/enum-attributes.c b/drivers/platform/x86/hp/hp-bioscfg/enum-attributes.c
index a2402d31c146..c50ad5880503 100644
--- a/drivers/platform/x86/hp/hp-bioscfg/enum-attributes.c
+++ b/drivers/platform/x86/hp/hp-bioscfg/enum-attributes.c
@@ -52,9 +52,7 @@ static void update_enumeration_value(int instance_id, char *attr_value)
{
struct enumeration_data *enum_data = &bioscfg_drv.enumeration_data[instance_id];
- strscpy(enum_data->current_value,
- attr_value,
- sizeof(enum_data->current_value));
+ strscpy(enum_data->current_value, attr_value);
}
ATTRIBUTE_S_COMMON_PROPERTY_SHOW(display_name, enumeration);
@@ -174,8 +172,7 @@ static int hp_populate_enumeration_elements_from_package(union acpi_object *enum
case VALUE:
break;
case PATH:
- strscpy(enum_data->common.path, str_value,
- sizeof(enum_data->common.path));
+ strscpy(enum_data->common.path, str_value);
break;
case IS_READONLY:
enum_data->common.is_readonly = int_value;
@@ -222,9 +219,7 @@ static int hp_populate_enumeration_elements_from_package(union acpi_object *enum
if (ret)
return -EINVAL;
- strscpy(enum_data->common.prerequisites[reqs],
- str_value,
- sizeof(enum_data->common.prerequisites[reqs]));
+ strscpy(enum_data->common.prerequisites[reqs], str_value);
kfree(str_value);
str_value = NULL;
@@ -236,8 +231,7 @@ static int hp_populate_enumeration_elements_from_package(union acpi_object *enum
break;
case ENUM_CURRENT_VALUE:
- strscpy(enum_data->current_value,
- str_value, sizeof(enum_data->current_value));
+ strscpy(enum_data->current_value, str_value);
break;
case ENUM_SIZE:
if (int_value > MAX_VALUES_SIZE) {
@@ -278,9 +272,7 @@ static int hp_populate_enumeration_elements_from_package(union acpi_object *enum
* is greater than MAX_VALUES_SIZE
*/
if (size < MAX_VALUES_SIZE)
- strscpy(enum_data->possible_values[pos_values],
- str_value,
- sizeof(enum_data->possible_values[pos_values]));
+ strscpy(enum_data->possible_values[pos_values], str_value);
kfree(str_value);
str_value = NULL;
diff --git a/drivers/platform/x86/hp/hp-bioscfg/int-attributes.c b/drivers/platform/x86/hp/hp-bioscfg/int-attributes.c
index 86b7ac63fec2..6c7f4d5fa9cb 100644
--- a/drivers/platform/x86/hp/hp-bioscfg/int-attributes.c
+++ b/drivers/platform/x86/hp/hp-bioscfg/int-attributes.c
@@ -192,8 +192,7 @@ static int hp_populate_integer_elements_from_package(union acpi_object *integer_
integer_data->current_value = int_value;
break;
case PATH:
- strscpy(integer_data->common.path, str_value,
- sizeof(integer_data->common.path));
+ strscpy(integer_data->common.path, str_value);
break;
case IS_READONLY:
integer_data->common.is_readonly = int_value;
@@ -240,9 +239,7 @@ static int hp_populate_integer_elements_from_package(union acpi_object *integer_
if (ret)
continue;
- strscpy(integer_data->common.prerequisites[reqs],
- str_value,
- sizeof(integer_data->common.prerequisites[reqs]));
+ strscpy(integer_data->common.prerequisites[reqs], str_value);
kfree(str_value);
str_value = NULL;
}
diff --git a/drivers/platform/x86/hp/hp-bioscfg/order-list-attributes.c b/drivers/platform/x86/hp/hp-bioscfg/order-list-attributes.c
index 1ff09dfb7d7e..c6e57bb9d8b7 100644
--- a/drivers/platform/x86/hp/hp-bioscfg/order-list-attributes.c
+++ b/drivers/platform/x86/hp/hp-bioscfg/order-list-attributes.c
@@ -57,9 +57,7 @@ static void update_ordered_list_value(int instance, char *attr_value)
{
struct ordered_list_data *ordered_list_data = &bioscfg_drv.ordered_list_data[instance];
- strscpy(ordered_list_data->current_value,
- attr_value,
- sizeof(ordered_list_data->current_value));
+ strscpy(ordered_list_data->current_value, attr_value);
}
ATTRIBUTE_S_COMMON_PROPERTY_SHOW(display_name, ordered_list);
@@ -179,13 +177,11 @@ static int hp_populate_ordered_list_elements_from_package(union acpi_object *ord
/* Assign appropriate element value to corresponding field*/
switch (eloc) {
case VALUE:
- strscpy(ordered_list_data->current_value,
- str_value, sizeof(ordered_list_data->current_value));
+ strscpy(ordered_list_data->current_value, str_value);
replace_char_str(ordered_list_data->current_value, COMMA_SEP, SEMICOLON_SEP);
break;
case PATH:
- strscpy(ordered_list_data->common.path, str_value,
- sizeof(ordered_list_data->common.path));
+ strscpy(ordered_list_data->common.path, str_value);
break;
case IS_READONLY:
ordered_list_data->common.is_readonly = int_value;
@@ -227,9 +223,7 @@ static int hp_populate_ordered_list_elements_from_package(union acpi_object *ord
if (ret)
continue;
- strscpy(ordered_list_data->common.prerequisites[reqs],
- str_value,
- sizeof(ordered_list_data->common.prerequisites[reqs]));
+ strscpy(ordered_list_data->common.prerequisites[reqs], str_value);
kfree(str_value);
str_value = NULL;
@@ -271,9 +265,7 @@ static int hp_populate_ordered_list_elements_from_package(union acpi_object *ord
part = strsep(&part_tmp, COMMA_SEP);
for (olist_elem = 0; olist_elem < MAX_ELEMENTS_SIZE && part; olist_elem++) {
- strscpy(ordered_list_data->elements[olist_elem],
- part,
- sizeof(ordered_list_data->elements[olist_elem]));
+ strscpy(ordered_list_data->elements[olist_elem], part);
part = strsep(&part_tmp, COMMA_SEP);
}
ordered_list_data->elements_size = olist_elem;
diff --git a/drivers/platform/x86/hp/hp-bioscfg/passwdobj-attributes.c b/drivers/platform/x86/hp/hp-bioscfg/passwdobj-attributes.c
index f7efe217a4bb..35936c05e45b 100644
--- a/drivers/platform/x86/hp/hp-bioscfg/passwdobj-attributes.c
+++ b/drivers/platform/x86/hp/hp-bioscfg/passwdobj-attributes.c
@@ -101,13 +101,9 @@ static int store_password_instance(struct kobject *kobj, const char *buf,
if (!ret) {
if (is_current)
- strscpy(bioscfg_drv.password_data[id].current_password,
- buf_cp,
- sizeof(bioscfg_drv.password_data[id].current_password));
+ strscpy(bioscfg_drv.password_data[id].current_password, buf_cp);
else
- strscpy(bioscfg_drv.password_data[id].new_password,
- buf_cp,
- sizeof(bioscfg_drv.password_data[id].new_password));
+ strscpy(bioscfg_drv.password_data[id].new_password, buf_cp);
}
kfree(buf_cp);
@@ -272,8 +268,7 @@ static int hp_populate_password_elements_from_package(union acpi_object *passwor
case VALUE:
break;
case PATH:
- strscpy(password_data->common.path, str_value,
- sizeof(password_data->common.path));
+ strscpy(password_data->common.path, str_value);
break;
case IS_READONLY:
password_data->common.is_readonly = int_value;
@@ -315,9 +310,7 @@ static int hp_populate_password_elements_from_package(union acpi_object *passwor
if (ret)
break;
- strscpy(password_data->common.prerequisites[reqs],
- str_value,
- sizeof(password_data->common.prerequisites[reqs]));
+ strscpy(password_data->common.prerequisites[reqs], str_value);
kfree(str_value);
str_value = NULL;
@@ -359,9 +352,7 @@ static int hp_populate_password_elements_from_package(union acpi_object *passwor
if (ret)
break;
- strscpy(password_data->encodings[pos_values],
- str_value,
- sizeof(password_data->encodings[pos_values]));
+ strscpy(password_data->encodings[pos_values], str_value);
kfree(str_value);
str_value = NULL;
diff --git a/drivers/platform/x86/hp/hp-bioscfg/spmobj-attributes.c b/drivers/platform/x86/hp/hp-bioscfg/spmobj-attributes.c
index 86f90238750c..2b00a14792e9 100644
--- a/drivers/platform/x86/hp/hp-bioscfg/spmobj-attributes.c
+++ b/drivers/platform/x86/hp/hp-bioscfg/spmobj-attributes.c
@@ -365,8 +365,7 @@ int hp_populate_secure_platform_data(struct kobject *attr_name_kobj)
/* Populate data for Secure Platform Management */
bioscfg_drv.spm_data.attr_name_kobj = attr_name_kobj;
- strscpy(bioscfg_drv.spm_data.attribute_name, SPM_STR,
- sizeof(bioscfg_drv.spm_data.attribute_name));
+ strscpy(bioscfg_drv.spm_data.attribute_name, SPM_STR);
bioscfg_drv.spm_data.is_enabled = 0;
bioscfg_drv.spm_data.mechanism = 0;
diff --git a/drivers/platform/x86/hp/hp-bioscfg/string-attributes.c b/drivers/platform/x86/hp/hp-bioscfg/string-attributes.c
index f0c20070094d..27758b779b2d 100644
--- a/drivers/platform/x86/hp/hp-bioscfg/string-attributes.c
+++ b/drivers/platform/x86/hp/hp-bioscfg/string-attributes.c
@@ -50,7 +50,7 @@ static void update_string_value(int instance_id, char *attr_value)
struct string_data *string_data = &bioscfg_drv.string_data[instance_id];
/* Write settings to BIOS */
- strscpy(string_data->current_value, attr_value, sizeof(string_data->current_value));
+ strscpy(string_data->current_value, attr_value);
}
/*
@@ -178,12 +178,10 @@ static int hp_populate_string_elements_from_package(union acpi_object *string_ob
/* Assign appropriate element value to corresponding field*/
switch (eloc) {
case VALUE:
- strscpy(string_data->current_value,
- str_value, sizeof(string_data->current_value));
+ strscpy(string_data->current_value, str_value);
break;
case PATH:
- strscpy(string_data->common.path, str_value,
- sizeof(string_data->common.path));
+ strscpy(string_data->common.path, str_value);
break;
case IS_READONLY:
string_data->common.is_readonly = int_value;
@@ -231,9 +229,7 @@ static int hp_populate_string_elements_from_package(union acpi_object *string_ob
if (ret)
continue;
- strscpy(string_data->common.prerequisites[reqs],
- str_value,
- sizeof(string_data->common.prerequisites[reqs]));
+ strscpy(string_data->common.prerequisites[reqs], str_value);
kfree(str_value);
str_value = NULL;
}
--
2.45.1