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path: root/sound/isa/wavefront/wavefront_midi.c
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Diffstat (limited to 'sound/isa/wavefront/wavefront_midi.c')
-rw-r--r--sound/isa/wavefront/wavefront_midi.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/sound/isa/wavefront/wavefront_midi.c b/sound/isa/wavefront/wavefront_midi.c
index a337a86f7a65..72e775ac7ad7 100644
--- a/sound/isa/wavefront/wavefront_midi.c
+++ b/sound/isa/wavefront/wavefront_midi.c
@@ -239,7 +239,8 @@ static int snd_wavefront_midi_input_open(struct snd_rawmidi_substream *substream
mpu = *((snd_wavefront_mpu_id *) substream->rmidi->private_data);
- if ((midi = get_wavefront_midi (substream)) == NULL)
+ midi = get_wavefront_midi(substream);
+ if (!midi)
return -EIO;
spin_lock_irqsave (&midi->open, flags);
@@ -263,7 +264,8 @@ static int snd_wavefront_midi_output_open(struct snd_rawmidi_substream *substrea
mpu = *((snd_wavefront_mpu_id *) substream->rmidi->private_data);
- if ((midi = get_wavefront_midi (substream)) == NULL)
+ midi = get_wavefront_midi(substream);
+ if (!midi)
return -EIO;
spin_lock_irqsave (&midi->open, flags);
@@ -287,7 +289,8 @@ static int snd_wavefront_midi_input_close(struct snd_rawmidi_substream *substrea
mpu = *((snd_wavefront_mpu_id *) substream->rmidi->private_data);
- if ((midi = get_wavefront_midi (substream)) == NULL)
+ midi = get_wavefront_midi(substream);
+ if (!midi)
return -EIO;
spin_lock_irqsave (&midi->open, flags);
@@ -310,7 +313,8 @@ static int snd_wavefront_midi_output_close(struct snd_rawmidi_substream *substre
mpu = *((snd_wavefront_mpu_id *) substream->rmidi->private_data);
- if ((midi = get_wavefront_midi (substream)) == NULL)
+ midi = get_wavefront_midi(substream);
+ if (!midi)
return -EIO;
spin_lock_irqsave (&midi->open, flags);
@@ -333,9 +337,9 @@ static void snd_wavefront_midi_input_trigger(struct snd_rawmidi_substream *subst
mpu = *((snd_wavefront_mpu_id *) substream->rmidi->private_data);
- if ((midi = get_wavefront_midi (substream)) == NULL) {
+ midi = get_wavefront_midi(substream);
+ if (!midi)
return;
- }
spin_lock_irqsave (&midi->virtual, flags);
if (up) {
@@ -372,9 +376,9 @@ static void snd_wavefront_midi_output_trigger(struct snd_rawmidi_substream *subs
mpu = *((snd_wavefront_mpu_id *) substream->rmidi->private_data);
- if ((midi = get_wavefront_midi (substream)) == NULL) {
+ midi = get_wavefront_midi(substream);
+ if (!midi)
return;
- }
spin_lock_irqsave (&midi->virtual, flags);
if (up) {