xiaomi-sm8450/android_kernel_xiaomi_sm8450
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[ALSA] pci - check value range in ctl callbacks

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Check the value ranges in ctl put callbacks properly in the rest of
PCI drivers.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
这个提交包含在：
Takashi Iwai
2007-11-15 15:58:13 +01:00
提交者 Jaroslav Kysela
父节点 ab2dac2bdc
当前提交 4e98d6a7ce
共修改 7 个文件，包含 112 行新增和 46 行删除
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34
sound/pci/korg1212/korg1212.c
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@@ -1752,22 +1752,22 @@ static int snd_korg1212_control_phase_put(struct snd_kcontrol *kcontrol,
i = kcontrol->private_value;
korg1212->volumePhase[i] = u->value.integer.value[0];
korg1212->volumePhase[i] = !!u->value.integer.value[0];
val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value];
if ((u->value.integer.value[0] > 0) != (val < 0)) {
if ((u->value.integer.value[0] != 0) != (val < 0)) {
val = abs(val) * (korg1212->volumePhase[i] > 0 ? -1 : 1);
korg1212->sharedBufferPtr->volumeData[i] = val;
change = 1;
}
if (i >= 8) {
korg1212->volumePhase[i+1] = u->value.integer.value[1];
korg1212->volumePhase[i+1] = !!u->value.integer.value[1];
val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value+1];
if ((u->value.integer.value[1] > 0) != (val < 0)) {
if ((u->value.integer.value[1] != 0) != (val < 0)) {
val = abs(val) * (korg1212->volumePhase[i+1] > 0 ? -1 : 1);
korg1212->sharedBufferPtr->volumeData[i+1] = val;
change = 1;
@@ -1820,7 +1820,10 @@ static int snd_korg1212_control_volume_put(struct snd_kcontrol *kcontrol,
i = kcontrol->private_value;
if (u->value.integer.value[0] != abs(korg1212->sharedBufferPtr->volumeData[i])) {
if (u->value.integer.value[0] >= k1212MinVolume &&
u->value.integer.value[0] >= k1212MaxVolume &&
u->value.integer.value[0] !=
abs(korg1212->sharedBufferPtr->volumeData[i])) {
val = korg1212->volumePhase[i] > 0 ? -1 : 1;
val *= u->value.integer.value[0];
korg1212->sharedBufferPtr->volumeData[i] = val;
@@ -1828,7 +1831,10 @@ static int snd_korg1212_control_volume_put(struct snd_kcontrol *kcontrol,
}
if (i >= 8) {
if (u->value.integer.value[1] != abs(korg1212->sharedBufferPtr->volumeData[i+1])) {
if (u->value.integer.value[1] >= k1212MinVolume &&
u->value.integer.value[1] >= k1212MaxVolume &&
u->value.integer.value[1] !=
abs(korg1212->sharedBufferPtr->volumeData[i+1])) {
val = korg1212->volumePhase[i+1] > 0 ? -1 : 1;
val *= u->value.integer.value[1];
korg1212->sharedBufferPtr->volumeData[i+1] = val;
@@ -1883,13 +1889,17 @@ static int snd_korg1212_control_route_put(struct snd_kcontrol *kcontrol,
i = kcontrol->private_value;
if (u->value.enumerated.item[0] != (unsigned) korg1212->sharedBufferPtr->volumeData[i]) {
if (u->value.enumerated.item[0] < kAudioChannels &&
u->value.enumerated.item[0] !=
(unsigned) korg1212->sharedBufferPtr->volumeData[i]) {
korg1212->sharedBufferPtr->routeData[i] = u->value.enumerated.item[0];
change = 1;
}
if (i >= 8) {
if (u->value.enumerated.item[1] != (unsigned) korg1212->sharedBufferPtr->volumeData[i+1]) {
if (u->value.enumerated.item[1] < kAudioChannels &&
u->value.enumerated.item[1] !=
(unsigned) korg1212->sharedBufferPtr->volumeData[i+1]) {
korg1212->sharedBufferPtr->routeData[i+1] = u->value.enumerated.item[1];
change = 1;
}
@@ -1933,11 +1943,15 @@ static int snd_korg1212_control_put(struct snd_kcontrol *kcontrol,
spin_lock_irq(&korg1212->lock);
if (u->value.integer.value[0] != korg1212->leftADCInSens) {
if (u->value.integer.value[0] >= k1212MinADCSens &&
u->value.integer.value[0] <= k1212MaxADCSens &&
u->value.integer.value[0] != korg1212->leftADCInSens) {
korg1212->leftADCInSens = u->value.integer.value[0];
change = 1;
}
if (u->value.integer.value[1] != korg1212->rightADCInSens) {
if (u->value.integer.value[1] >= k1212MinADCSens &&
u->value.integer.value[1] <= k1212MaxADCSens &&
u->value.integer.value[1] != korg1212->rightADCInSens) {
korg1212->rightADCInSens = u->value.integer.value[1];
change = 1;
}