[ALSA] sound/core/: fix 3 off-by-one errors

This patch fixes three off-by-one errors found by the Coverity checker.

Signed-off-by: Adrian Bunk <bunk@stusta.de>

diff --git a/sound/core/sound.c b/sound/core/sound.c
index a8eda02bcf1c0fe886b922ac0b628f7152a52921..5ac097605af2a59ca636abdffd792ba62108b4e9 100644 (file)
--- a/sound/core/sound.c
+++ b/sound/core/sound.c
@@ -120,7 +120,7 @@ void *snd_lookup_minor_data(unsigned int minor, int type)
        struct snd_minor *mreg;
        void *private_data;
 
-       if (minor > ARRAY_SIZE(snd_minors))
+       if (minor >= ARRAY_SIZE(snd_minors))
                return NULL;
        down(&sound_mutex);
        mreg = snd_minors[minor];
@@ -139,7 +139,7 @@ static int snd_open(struct inode *inode, struct file *file)
        struct file_operations *old_fops;
        int err = 0;
 
-       if (minor > ARRAY_SIZE(snd_minors))
+       if (minor >= ARRAY_SIZE(snd_minors))
                return -ENODEV;
        mptr = snd_minors[minor];
        if (mptr == NULL) {

diff --git a/sound/core/sound_oss.c b/sound/core/sound_oss.c
index d0be32b517c1567f99cdbd7e590958d1fe8c07bb..79752205c5c6b77028cce363c225ab7c3a2aea2d 100644 (file)
--- a/sound/core/sound_oss.c
+++ b/sound/core/sound_oss.c
@@ -45,7 +45,7 @@ void *snd_lookup_oss_minor_data(unsigned int minor, int type)
        struct snd_minor *mreg;
        void *private_data;
 
-       if (minor > ARRAY_SIZE(snd_oss_minors))
+       if (minor >= ARRAY_SIZE(snd_oss_minors))
                return NULL;
        down(&sound_oss_mutex);
        mreg = snd_oss_minors[minor];