[ALSA] sound/core/: fix 3 off-by-one errors
Modules: ALSA Core This patch fixes three off-by-one errors found by the Coverity checker. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Takashi Iwai <tiwai@suse.de>
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@ -121,7 +121,7 @@ void *snd_lookup_minor_data(unsigned int minor, int type)
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struct snd_minor *mreg;
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struct snd_minor *mreg;
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void *private_data;
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void *private_data;
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if (minor > ARRAY_SIZE(snd_minors))
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if (minor >= ARRAY_SIZE(snd_minors))
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return NULL;
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return NULL;
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mutex_lock(&sound_mutex);
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mutex_lock(&sound_mutex);
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mreg = snd_minors[minor];
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mreg = snd_minors[minor];
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@ -140,7 +140,7 @@ static int snd_open(struct inode *inode, struct file *file)
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struct file_operations *old_fops;
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struct file_operations *old_fops;
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int err = 0;
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int err = 0;
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if (minor > ARRAY_SIZE(snd_minors))
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if (minor >= ARRAY_SIZE(snd_minors))
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return -ENODEV;
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return -ENODEV;
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mptr = snd_minors[minor];
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mptr = snd_minors[minor];
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if (mptr == NULL) {
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if (mptr == NULL) {
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@ -46,7 +46,7 @@ void *snd_lookup_oss_minor_data(unsigned int minor, int type)
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struct snd_minor *mreg;
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struct snd_minor *mreg;
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void *private_data;
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void *private_data;
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if (minor > ARRAY_SIZE(snd_oss_minors))
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if (minor >= ARRAY_SIZE(snd_oss_minors))
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return NULL;
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return NULL;
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mutex_lock(&sound_oss_mutex);
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mutex_lock(&sound_oss_mutex);
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mreg = snd_oss_minors[minor];
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mreg = snd_oss_minors[minor];
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