Don't attempt to free null effects or filters

2 files changed, 2 insertions, 2 deletions

diff --git a/OpenAL32/alEffect.c b/OpenAL32/alEffect.c
index 66ba710a..1faca089 100644
--- a/OpenAL32/alEffect.c
+++ b/OpenAL32/alEffect.c
@@ -103,7 +103,7 @@ AL_API ALvoid AL_APIENTRY alDeleteEffects(ALsizei n, ALuint *effects)
             for (i = 0; i < n; i++)
             {
                 // Recheck that the effect is valid, because there could be duplicated names
-                if (alIsEffect(effects[i]))
+                if (effects[i] && alIsEffect(effects[i]))
                 {
                     ALeffect **list;
 
diff --git a/OpenAL32/alFilter.c b/OpenAL32/alFilter.c
index c5d3ae31..0167462f 100644
--- a/OpenAL32/alFilter.c
+++ b/OpenAL32/alFilter.c
@@ -103,7 +103,7 @@ AL_API ALvoid AL_APIENTRY alDeleteFilters(ALsizei n, ALuint *filters)
             for (i = 0; i < n; i++)
             {
                 // Recheck that the filter is valid, because there could be duplicated names
-                if (alIsFilter(filters[i]))
+                if (filters[i] && alIsFilter(filters[i]))
                 {
                     ALfilter **list;