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-rw-r--r--src/mixer/alsa_mixer.c3
-rw-r--r--src/mixer/oss_mixer.c4
2 files changed, 7 insertions, 0 deletions
diff --git a/src/mixer/alsa_mixer.c b/src/mixer/alsa_mixer.c
index 86a9ae86e..201cb6f20 100644
--- a/src/mixer/alsa_mixer.c
+++ b/src/mixer/alsa_mixer.c
@@ -49,6 +49,9 @@ alsa_mixer_configure(struct mixer_data *data, ConfigParam *param)
struct alsa_mixer *am = (struct alsa_mixer *)data;
BlockParam *bp;
+ if (param == NULL)
+ return;
+
if ((bp = getBlockParam(param, "mixer_device"))) {
if (am->device)
g_free(am->device);
diff --git a/src/mixer/oss_mixer.c b/src/mixer/oss_mixer.c
index 75f1f5a0b..3f4b290d9 100644
--- a/src/mixer/oss_mixer.c
+++ b/src/mixer/oss_mixer.c
@@ -52,6 +52,10 @@ oss_mixer_configure(struct mixer_data *data, ConfigParam *param)
{
struct oss_mixer *om = (struct oss_mixer *) data;
BlockParam *bp;
+
+ if (param == NULL)
+ return;
+
bp = getBlockParam(param, "mixer_device");
if (bp) {
if (om->device)