sound: OSS: keep index within bounds of midi_devs[]

When the {orig,midi}_dev equals num_midis, that's one too
large already.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 1 insertions, 1 deletions

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;