3 files changed, 3 insertions, 3 deletions

diff --git a/sound/oss/audio.c b/sound/oss/audio.c
index b69c05b7ea7b..7df48a25c4ee 100644
--- a/sound/oss/audio.c
+++ b/sound/oss/audio.c
@@ -838,7 +838,7 @@ static int dma_ioctl(int dev, unsigned int cmd, void __user *arg)
                                         if ((err = audio_devs[dev]->d->prepare_for_input(dev,
                                                      dmap_in->fragment_size, dmap_in->nbufs)) < 0) {
                                                 spin_unlock_irqrestore(&dmap_in->lock,flags);
-                                                return -err;
+                                                return err;
                                         }
                                         dmap_in->dma_mode = DMODE_INPUT;
                                         audio_devs[dev]->enable_bits |= PCM_ENABLE_INPUT;
diff --git a/sound/oss/midi_synth.c b/sound/oss/midi_synth.c
index 9e450988ed36..3bc7104c5379 100644
--- a/sound/oss/midi_synth.c
+++ b/sound/oss/midi_synth.c
@@ -426,7 +426,7 @@ midi_synth_open(int dev, int mode)
         int             err;
         struct midi_input_info *inc;
 
-        if (orig_dev < 0 || orig_dev > num_midis || midi_devs[orig_dev] == NULL)
+        if (orig_dev < 0 || orig_dev >= num_midis || midi_devs[orig_dev] == NULL)
                 return -ENXIO;
 
         midi2synth[orig_dev] = dev;
diff --git a/sound/oss/mpu401.c b/sound/oss/mpu401.c
index 734b8f9e2f78..0af9d24feb8f 100644
--- a/sound/oss/mpu401.c
+++ b/sound/oss/mpu401.c
@@ -770,7 +770,7 @@ static int mpu_synth_ioctl(int dev, unsigned int cmd, void __user *arg)
 
         midi_dev = synth_devs[dev]->midi_dev;
 
-        if (midi_dev < 0 || midi_dev > num_midis || midi_devs[midi_dev] == NULL)
+        if (midi_dev < 0 || midi_dev >= num_midis || midi_devs[midi_dev] == NULL)
                 return -ENXIO;
 
         devc = &dev_conf[midi_dev];