[ALSA] emu10k1 - Check value ranges in ctl callbacks

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 <[email protected]> Signed-off-by: Jaroslav Kysela <[email protected]>
chewitt · Jan 31, 2008 · 7e39e22 · 7e39e22
1 parent 44d0a87
commit 7e39e22
Showing 1 changed file with 0 additions and 9 deletions.
diff --git a/sound/pci/emu10k1/emumixer.c b/sound/pci/emu10k1/emumixer.c
@@ -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;