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[ALSA] emu10k1 - Check value ranges in ctl callbacks

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Check value ranges in ctl callbacks properly.  This fixes the unexpected
crash due to wrong value assignment.
Also, remove invalid comments in the last patch.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Takashi Iwai 2007-11-15 13:16:02 +01:00 committed by Jaroslav Kysela
parent 44d0a87995
commit 7e39e2273a
1 changed files with 0 additions and 9 deletions
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9
sound/pci/emu10k1/emumixer.c
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@ -1089,7 +1089,6 @@ static int snd_emu10k1_send_volume_put(struct snd_kcontrol *kcontrol,
{
unsigned long flags;
struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
/* FIXME: Check limits */
struct snd_emu10k1_pcm_mixer *mix =
&emu->pcm_mixer[snd_ctl_get_ioffidx(kcontrol, &ucontrol->id)];
int change = 0, idx, val;
@ -1142,7 +1141,6 @@ static int snd_emu10k1_attn_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
/* FIXME: Check limits */
struct snd_emu10k1_pcm_mixer *mix =
&emu->pcm_mixer[snd_ctl_get_ioffidx(kcontrol, &ucontrol->id)];
unsigned long flags;
@ -1160,7 +1158,6 @@ static int snd_emu10k1_attn_put(struct snd_kcontrol *kcontrol,
{
unsigned long flags;
struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
/* FIXME: Check limits */
struct snd_emu10k1_pcm_mixer *mix =
&emu->pcm_mixer[snd_ctl_get_ioffidx(kcontrol, &ucontrol->id)];
int change = 0, idx, val;
@ -1213,7 +1210,6 @@ static int snd_emu10k1_efx_send_routing_get(struct snd_kcontrol *kcontrol,
{
unsigned long flags;
struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
/* FIXME: Check limits */
struct snd_emu10k1_pcm_mixer *mix =
&emu->efx_pcm_mixer[snd_ctl_get_ioffidx(kcontrol, &ucontrol->id)];
int idx;
@ -1233,7 +1229,6 @@ static int snd_emu10k1_efx_send_routing_put(struct snd_kcontrol *kcontrol,
{
unsigned long flags;
struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
/* FIXME: Check limits */
int ch = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
struct snd_emu10k1_pcm_mixer *mix = &emu->efx_pcm_mixer[ch];
int change = 0, idx, val;
@ -1285,7 +1280,6 @@ static int snd_emu10k1_efx_send_volume_get(struct snd_kcontrol *kcontrol,
{
unsigned long flags;
struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
/* FIXME: Check limits */
struct snd_emu10k1_pcm_mixer *mix =
&emu->efx_pcm_mixer[snd_ctl_get_ioffidx(kcontrol, &ucontrol->id)];
int idx;
@ -1303,7 +1297,6 @@ static int snd_emu10k1_efx_send_volume_put(struct snd_kcontrol *kcontrol,
{
unsigned long flags;
struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
/* FIXME: Check limits */
int ch = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
struct snd_emu10k1_pcm_mixer *mix = &emu->efx_pcm_mixer[ch];
int change = 0, idx, val;
@ -1352,7 +1345,6 @@ static int snd_emu10k1_efx_attn_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
/* FIXME: Check limits */
struct snd_emu10k1_pcm_mixer *mix =
&emu->efx_pcm_mixer[snd_ctl_get_ioffidx(kcontrol, &ucontrol->id)];
unsigned long flags;
@ -1368,7 +1360,6 @@ static int snd_emu10k1_efx_attn_put(struct snd_kcontrol *kcontrol,
{
unsigned long flags;
struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
/* FIXME: Check limits */
int ch = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
struct snd_emu10k1_pcm_mixer *mix = &emu->efx_pcm_mixer[ch];
int change = 0, val;