Upgrade to 4.4.50-rt62

[kvmfornfv.git] / kernel / sound / usb / quirks.c

diff --git a/kernel/sound/usb/quirks.c b/kernel/sound/usb/quirks.c
index c458d60..29f38e2 100644 (file)
--- a/kernel/sound/usb/quirks.c
+++ b/kernel/sound/usb/quirks.c
@@ -150,6 +150,7 @@ static int create_fixed_stream_quirk(struct snd_usb_audio *chip,
                usb_audio_err(chip, "cannot memdup\n");
                return -ENOMEM;
        }
+       INIT_LIST_HEAD(&fp->list);
        if (fp->nr_rates > MAX_NR_RATES) {
                kfree(fp);
                return -EINVAL;
@@ -167,19 +168,20 @@ static int create_fixed_stream_quirk(struct snd_usb_audio *chip,
        stream = (fp->endpoint & USB_DIR_IN)
                ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
        err = snd_usb_add_audio_stream(chip, stream, fp);
-       if (err < 0) {
-               kfree(fp);
-               kfree(rate_table);
-               return err;
-       }
+       if (err < 0)
+               goto error;
        if (fp->iface != get_iface_desc(&iface->altsetting[0])->bInterfaceNumber ||
            fp->altset_idx >= iface->num_altsetting) {
-               kfree(fp);
-               kfree(rate_table);
-               return -EINVAL;
+               err = -EINVAL;
+               goto error;
        }
        alts = &iface->altsetting[fp->altset_idx];
        altsd = get_iface_desc(alts);
+       if (altsd->bNumEndpoints < 1) {
+               err = -EINVAL;
+               goto error;
+       }
+
        fp->protocol = altsd->bInterfaceProtocol;
 
        if (fp->datainterval == 0)
@@ -190,6 +192,12 @@ static int create_fixed_stream_quirk(struct snd_usb_audio *chip,
        snd_usb_init_pitch(chip, fp->iface, alts, fp);
        snd_usb_init_sample_rate(chip, fp->iface, alts, fp, fp->rate_max);
        return 0;
+
+ error:
+       list_del(&fp->list); /* unlink for avoiding double-free */
+       kfree(fp);
+       kfree(rate_table);
+       return err;
 }
 
 static int create_auto_pcm_quirk(struct snd_usb_audio *chip,
@@ -462,6 +470,7 @@ static int create_uaxx_quirk(struct snd_usb_audio *chip,
        fp->ep_attr = get_endpoint(alts, 0)->bmAttributes;
        fp->datainterval = 0;
        fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);
+       INIT_LIST_HEAD(&fp->list);
 
        switch (fp->maxpacksize) {
        case 0x120:
@@ -485,6 +494,7 @@ static int create_uaxx_quirk(struct snd_usb_audio *chip,
                ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
        err = snd_usb_add_audio_stream(chip, stream, fp);
        if (err < 0) {
+               list_del(&fp->list); /* unlink for avoiding double-free */
                kfree(fp);
                return err;
        }
@@ -1119,14 +1129,24 @@ bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip)
 {
        /* devices which do not support reading the sample rate. */
        switch (chip->usb_id) {
+       case USB_ID(0x041E, 0x4080): /* Creative Live Cam VF0610 */
        case USB_ID(0x045E, 0x075D): /* MS Lifecam Cinema  */
        case USB_ID(0x045E, 0x076D): /* MS Lifecam HD-5000 */
+       case USB_ID(0x045E, 0x076E): /* MS Lifecam HD-5001 */
        case USB_ID(0x045E, 0x076F): /* MS Lifecam HD-6000 */
        case USB_ID(0x045E, 0x0772): /* MS Lifecam Studio */
        case USB_ID(0x045E, 0x0779): /* MS Lifecam HD-3000 */
+       case USB_ID(0x047F, 0x02F7): /* Plantronics BT-600 */
+       case USB_ID(0x047F, 0x0415): /* Plantronics BT-300 */
        case USB_ID(0x047F, 0xAA05): /* Plantronics DA45 */
        case USB_ID(0x04D8, 0xFEEA): /* Benchmark DAC1 Pre */
+       case USB_ID(0x0556, 0x0014): /* Phoenix Audio TMX320VC */
+       case USB_ID(0x05A3, 0x9420): /* ELP HD USB Camera */
        case USB_ID(0x074D, 0x3553): /* Outlaw RR2150 (Micronas UAC3553B) */
+       case USB_ID(0x1901, 0x0191): /* GE B850V3 CP2114 audio interface */
+       case USB_ID(0x1de7, 0x0013): /* Phoenix Audio MT202exe */
+       case USB_ID(0x1de7, 0x0014): /* Phoenix Audio TMX320 */
+       case USB_ID(0x1de7, 0x0114): /* Phoenix Audio MT202pcs */
        case USB_ID(0x21B4, 0x0081): /* AudioQuest DragonFly */
                return true;
        }