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[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>
This commit is contained in:
Adrian Bunk 2006-03-13 14:14:10 +01:00 committed by Jaroslav Kysela
parent 646494007b
commit 3a63e44420
2 changed files with 3 additions and 3 deletions
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4
sound/core/sound.c
View File

@ -121,7 +121,7 @@ void *snd_lookup_minor_data(unsigned int minor, int type)
struct snd_minor *mreg; struct snd_minor *mreg;
void *private_data; void *private_data;
if (minor > ARRAY_SIZE(snd_minors)) if (minor >= ARRAY_SIZE(snd_minors))
return NULL; return NULL;
mutex_lock(&sound_mutex); mutex_lock(&sound_mutex);
mreg = snd_minors[minor]; mreg = snd_minors[minor];
@ -140,7 +140,7 @@ static int snd_open(struct inode *inode, struct file *file)
struct file_operations *old_fops; struct file_operations *old_fops;
int err = 0; int err = 0;
if (minor > ARRAY_SIZE(snd_minors)) if (minor >= ARRAY_SIZE(snd_minors))
return -ENODEV; return -ENODEV;
mptr = snd_minors[minor]; mptr = snd_minors[minor];
if (mptr == NULL) { if (mptr == NULL) {

2
sound/core/sound_oss.c
View File

@ -46,7 +46,7 @@ void *snd_lookup_oss_minor_data(unsigned int minor, int type)
struct snd_minor *mreg; struct snd_minor *mreg;
void *private_data; void *private_data;
if (minor > ARRAY_SIZE(snd_oss_minors)) if (minor >= ARRAY_SIZE(snd_oss_minors))
return NULL; return NULL;
mutex_lock(&sound_oss_mutex); mutex_lock(&sound_oss_mutex);
mreg = snd_oss_minors[minor]; mreg = snd_oss_minors[minor];