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| author | Jorge Lopez <jorge.lopez2@hp.com> | 2023-07-31 23:31:37 +0300 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2023-08-07 14:34:46 +0300 |
| commit | 08f1f212576c882e6584573f735aee28faaf7c78 (patch) | |
| tree | 12560e377a99e953155c95315fea8c1190f7ed32 /drivers/platform | |
| parent | a585400b36306cbd88016fb5215711e6a8f73d83 (diff) | |
| download | linux-08f1f212576c882e6584573f735aee28faaf7c78.tar.xz | |
platform/x86: hp-bioscfg: Change how prerequisites size is evaluated
Update steps taken to evaluate prerequisites size value
Signed-off-by: Jorge Lopez <jorge.lopez2@hp.com>
Link: https://lore.kernel.org/r/20230731203141.30044-5-jorge.lopez2@hp.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'drivers/platform')
5 files changed, 21 insertions, 9 deletions
diff --git a/drivers/platform/x86/hp/hp-bioscfg/enum-attributes.c b/drivers/platform/x86/hp/hp-bioscfg/enum-attributes.c index 50855ff48926..89bb039a8a3c 100644 --- a/drivers/platform/x86/hp/hp-bioscfg/enum-attributes.c +++ b/drivers/platform/x86/hp/hp-bioscfg/enum-attributes.c @@ -190,9 +190,11 @@ static int hp_populate_enumeration_elements_from_package(union acpi_object *enum enum_data->common.sequence = int_value; break; case PREREQUISITES_SIZE: - enum_data->common.prerequisites_size = int_value; - if (int_value > MAX_PREREQUISITES_SIZE) + if (int_value > MAX_PREREQUISITES_SIZE) { pr_warn("Prerequisites size value exceeded the maximum number of elements supported or data may be malformed\n"); + int_value = MAX_PREREQUISITES_SIZE; + } + enum_data->common.prerequisites_size = int_value; /* * This step is needed to keep the expected diff --git a/drivers/platform/x86/hp/hp-bioscfg/int-attributes.c b/drivers/platform/x86/hp/hp-bioscfg/int-attributes.c index a45919616fa8..86b7ac63fec2 100644 --- a/drivers/platform/x86/hp/hp-bioscfg/int-attributes.c +++ b/drivers/platform/x86/hp/hp-bioscfg/int-attributes.c @@ -208,8 +208,12 @@ static int hp_populate_integer_elements_from_package(union acpi_object *integer_ integer_data->common.sequence = int_value; break; case PREREQUISITES_SIZE: - if (integer_data->common.prerequisites_size > MAX_PREREQUISITES_SIZE) + if (int_value > MAX_PREREQUISITES_SIZE) { pr_warn("Prerequisites size value exceeded the maximum number of elements supported or data may be malformed\n"); + int_value = MAX_PREREQUISITES_SIZE; + } + integer_data->common.prerequisites_size = int_value; + /* * This step is needed to keep the expected * element list pointing to the right obj[elem].type 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 aba7d26b54b2..71f588cbdf88 100644 --- a/drivers/platform/x86/hp/hp-bioscfg/order-list-attributes.c +++ b/drivers/platform/x86/hp/hp-bioscfg/order-list-attributes.c @@ -202,9 +202,11 @@ static int hp_populate_ordered_list_elements_from_package(union acpi_object *ord ordered_list_data->common.sequence = int_value; break; case PREREQUISITES_SIZE: - ordered_list_data->common.prerequisites_size = int_value; - if (int_value > MAX_PREREQUISITES_SIZE) + if (int_value > MAX_PREREQUISITES_SIZE) { pr_warn("Prerequisites size value exceeded the maximum number of elements supported or data may be malformed\n"); + int_value = MAX_PREREQUISITES_SIZE; + } + ordered_list_data->common.prerequisites_size = int_value; /* * This step is needed to keep the expected diff --git a/drivers/platform/x86/hp/hp-bioscfg/passwdobj-attributes.c b/drivers/platform/x86/hp/hp-bioscfg/passwdobj-attributes.c index 3840380a5aee..afb5190afc03 100644 --- a/drivers/platform/x86/hp/hp-bioscfg/passwdobj-attributes.c +++ b/drivers/platform/x86/hp/hp-bioscfg/passwdobj-attributes.c @@ -289,9 +289,11 @@ static int hp_populate_password_elements_from_package(union acpi_object *passwor password_data->common.sequence = int_value; break; case PREREQUISITES_SIZE: - password_data->common.prerequisites_size = int_value; - if (int_value > MAX_PREREQUISITES_SIZE) + if (int_value > MAX_PREREQUISITES_SIZE) { pr_warn("Prerequisites size value exceeded the maximum number of elements supported or data may be malformed\n"); + int_value = MAX_PREREQUISITES_SIZE; + } + password_data->common.prerequisites_size = int_value; /* This step is needed to keep the expected * element list pointing to the right obj[elem].type diff --git a/drivers/platform/x86/hp/hp-bioscfg/string-attributes.c b/drivers/platform/x86/hp/hp-bioscfg/string-attributes.c index 378cedb502ba..f0c20070094d 100644 --- a/drivers/platform/x86/hp/hp-bioscfg/string-attributes.c +++ b/drivers/platform/x86/hp/hp-bioscfg/string-attributes.c @@ -198,10 +198,12 @@ static int hp_populate_string_elements_from_package(union acpi_object *string_ob string_data->common.sequence = int_value; break; case PREREQUISITES_SIZE: + if (int_value > MAX_PREREQUISITES_SIZE) { + pr_warn("Prerequisites size value exceeded the maximum number of elements supported or data may be malformed\n"); + int_value = MAX_PREREQUISITES_SIZE; + } string_data->common.prerequisites_size = int_value; - if (string_data->common.prerequisites_size > MAX_PREREQUISITES_SIZE) - pr_warn("Prerequisites size value exceeded the maximum number of elements supported or data may be malformed\n"); /* * This step is needed to keep the expected * element list pointing to the right obj[elem].type |