diff mbox series

[5/5] hp-bioscfg: Fix memory leaks in password_elements_from_package()

Message ID 20230725220056.25560-6-jorge.lopez2@hp.com (mailing list archive)
State Changes Requested, archived
Headers show
Series hp-bioscfg: Address memory leaks and uninitialized variable errors | expand

Commit Message

Jorge Lopez July 25, 2023, 10 p.m. UTC 
Address memory leaks in hp_populate_password_elements_from_package()
and uninitialized variable errors.

Signed-off-by: Jorge Lopez <jorge.lopez2@hp.com>

---
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 mbox series

Patch

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: