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asoc: validate channel number before use

Browse source 
Validate channel number before using it to index codec dma
rx configuation array.

CRs-Fixed: 2420338
Change-Id: I48109beedba2423158fa84dee0b9ccac340979b1
Signed-off-by: Vignesh Kulothungan <vigneshk@codeaurora.org>
This commit is contained in:
Vignesh Kulothungan 2019-03-21 12:15:59 -07:00
commit 9e17da0005
1 changed files with 6 additions and 6 deletions
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12
asoc/kona.c
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@ -2297,7 +2297,7 @@ static int cdc_dma_rx_ch_get(struct snd_kcontrol *kcontrol,
{
int ch_num = cdc_dma_get_port_idx(kcontrol);
if (ch_num < 0) {
if (ch_num < 0 || ch_num >= CDC_DMA_RX_MAX) {
pr_err("%s: ch_num: %d is invalid\n", __func__, ch_num);
return ch_num;
}
@ -2313,7 +2313,7 @@ static int cdc_dma_rx_ch_put(struct snd_kcontrol *kcontrol,
{
int ch_num = cdc_dma_get_port_idx(kcontrol);
if (ch_num < 0) {
if (ch_num < 0 || ch_num >= CDC_DMA_RX_MAX) {
pr_err("%s: ch_num: %d is invalid\n", __func__, ch_num);
return ch_num;
}
@ -2330,7 +2330,7 @@ static int cdc_dma_rx_format_get(struct snd_kcontrol *kcontrol,
{
int ch_num = cdc_dma_get_port_idx(kcontrol);
if (ch_num < 0) {
if (ch_num < 0 || ch_num >= CDC_DMA_RX_MAX) {
pr_err("%s: ch_num: %d is invalid\n", __func__, ch_num);
return ch_num;
}
@ -2363,7 +2363,7 @@ static int cdc_dma_rx_format_put(struct snd_kcontrol *kcontrol,
int rc = 0;
int ch_num = cdc_dma_get_port_idx(kcontrol);
if (ch_num < 0) {
if (ch_num < 0 || ch_num >= CDC_DMA_RX_MAX) {
pr_err("%s: ch_num: %d is invalid\n", __func__, ch_num);
return ch_num;
}
@ -2498,7 +2498,7 @@ static int cdc_dma_rx_sample_rate_get(struct snd_kcontrol *kcontrol,
{
int ch_num = cdc_dma_get_port_idx(kcontrol);
if (ch_num < 0) {
if (ch_num < 0 || ch_num >= CDC_DMA_RX_MAX) {
pr_err("%s: ch_num: %d is invalid\n", __func__, ch_num);
return ch_num;
}
@ -2516,7 +2516,7 @@ static int cdc_dma_rx_sample_rate_put(struct snd_kcontrol *kcontrol,
{
int ch_num = cdc_dma_get_port_idx(kcontrol);
if (ch_num < 0) {
if (ch_num < 0 || ch_num >= CDC_DMA_RX_MAX) {
pr_err("%s: ch_num: %d is invalid\n", __func__, ch_num);
return ch_num;
}