From 02bb57aeb092cbb0dfdb50c6026dbd0c60af7644 Mon Sep 17 00:00:00 2001 From: Roel Kluin Date: Mon, 16 Nov 2009 17:05:02 +0100 Subject: [PATCH] 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 Signed-off-by: Takashi Iwai --- sound/oss/midi_synth.c | 2 +- sound/oss/mpu401.c | 2 +- 2 files changed, 2 insertions(+), 2 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; 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]; -- 2.20.1