Address memory leaks in hp_populate_password_elements_from_package()
and uninitialized variable errors.
Signed-off-by: Jorge Lopez <jorge.lopez2@xxxxxx>
---
Based on the latest platform-drivers-x86.git/for-next
---
.../platform/x86/hp/hp-bioscfg/passwdobj-attributes.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/platform/x86/hp/hp-bioscfg/passwdobj-attributes.c b/drivers/platform/x86/hp/hp-bioscfg/passwdobj-attributes.c
index 52e4d346b529..5e833ea0c5e3 100644
--- a/drivers/platform/x86/hp/hp-bioscfg/passwdobj-attributes.c
+++ b/drivers/platform/x86/hp/hp-bioscfg/passwdobj-attributes.c
@@ -227,7 +227,7 @@ static int hp_populate_password_elements_from_package(union acpi_object *passwor
int value_len;
int ret;
u32 size;
- u32 int_value;
+ u32 int_value = 0;
int elem;
int reqs;
int eloc;
@@ -264,6 +264,7 @@ static int hp_populate_password_elements_from_package(union acpi_object *passwor
if (expected_password_types[eloc] != password_obj[elem].type) {
pr_err("Error expected type %d for elem %d, but got type %d instead\n",
expected_password_types[eloc], elem, password_obj[elem].type);
+ kfree(str_value);
return -EIO;
}
@@ -318,6 +319,8 @@ static int hp_populate_password_elements_from_package(union acpi_object *passwor
sizeof(password_data->common.prerequisites[reqs]));
kfree(str_value);
+ str_value = NULL;
+
}
break;
case SECURITY_LEVEL:
@@ -356,6 +359,8 @@ static int hp_populate_password_elements_from_package(union acpi_object *passwor
str_value,
sizeof(password_data->encodings[pos_values]));
kfree(str_value);
+ str_value = NULL;
+
}
break;
case PSWD_IS_SET:
@@ -365,6 +370,9 @@ static int hp_populate_password_elements_from_package(union acpi_object *passwor
pr_warn("Invalid element: %d found in Password attribute or data may be malformed\n", elem);
break;
}
+
+ kfree(str_value);
+ str_value = NULL;
}
exit_package:
--
2.34.1
