- MmsValue_equalTypes: check parameters for NULL to avoid dereferencing NULL pointer

5 years ago · 058bc2edf7
parent dbcacec7d8
commit 058bc2edf7
1 changed files with 3 additions and 0 deletions
--- a/src/mms/iso_mms/common/mms_value.c
+++ b/src/mms/iso_mms/common/mms_value.c
@ -193,6 +193,9 @@ MmsValue_equals(const MmsValue* self, const MmsValue* otherValue)
 bool
 MmsValue_equalTypes(const MmsValue* self, const MmsValue* otherValue)
 {
+    if ((self == NULL) || (otherValue == NULL))
+        return false;
+
    if (self->type == otherValue->type) {
        switch (self->type)
        {