5 files changed, 13 insertions, 5 deletions

diff --git a/sound/usb/caiaq/audio.c b/sound/usb/caiaq/audio.c
index 68b97477577b..66eabafb1c24 100644
--- a/sound/usb/caiaq/audio.c
+++ b/sound/usb/caiaq/audio.c
@@ -785,7 +785,7 @@ int snd_usb_caiaq_audio_init(struct snd_usb_caiaqdev *dev)
         }
 
         dev->pcm->private_data = dev;
-        strcpy(dev->pcm->name, dev->product_name);
+        strlcpy(dev->pcm->name, dev->product_name, sizeof(dev->pcm->name));
 
         memset(dev->sub_playback, 0, sizeof(dev->sub_playback));
         memset(dev->sub_capture, 0, sizeof(dev->sub_capture));
diff --git a/sound/usb/caiaq/midi.c b/sound/usb/caiaq/midi.c
index 2f218c77fff2..a1a47088fd0c 100644
--- a/sound/usb/caiaq/midi.c
+++ b/sound/usb/caiaq/midi.c
@@ -136,7 +136,7 @@ int snd_usb_caiaq_midi_init(struct snd_usb_caiaqdev *device)
         if (ret < 0)
                 return ret;
 
-        strcpy(rmidi->name, device->product_name);
+        strlcpy(rmidi->name, device->product_name, sizeof(rmidi->name));
 
         rmidi->info_flags = SNDRV_RAWMIDI_INFO_DUPLEX;
         rmidi->private_data = device;
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 7df89b3d7ded..85af6051b52d 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -95,7 +95,7 @@ enum {
 };
 
 
-/*E-mu 0202(0404) eXtension Unit(XU) control*/
+/*E-mu 0202/0404/0204 eXtension Unit(XU) control*/
 enum {
         USB_XU_CLOCK_RATE               = 0xe301,
         USB_XU_CLOCK_SOURCE             = 0xe302,
@@ -1566,7 +1566,7 @@ static int build_audio_procunit(struct mixer_build *state, int unitid, void *raw
                         cval->initialized = 1;
                 } else {
                         if (type == USB_XU_CLOCK_RATE) {
-                                /* E-Mu USB 0404/0202/TrackerPre
+                                /* E-Mu USB 0404/0202/TrackerPre/0204
                                  * samplerate control quirk
                                  */
                                 cval->min = 0;
diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
index 35999874d301..921a86fd9884 100644
--- a/sound/usb/quirks-table.h
+++ b/sound/usb/quirks-table.h
@@ -79,6 +79,13 @@
         .idProduct = 0x3f0a,
         .bInterfaceClass = USB_CLASS_AUDIO,
 },
+{
+        /* E-Mu 0204 USB */
+        .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
+        .idVendor = 0x041e,
+        .idProduct = 0x3f19,
+        .bInterfaceClass = USB_CLASS_AUDIO,
+},
 
 /*
  * Logitech QuickCam: bDeviceClass is vendor-specific, so generic interface
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index cf8bf088394b..e314cdb85003 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -532,7 +532,7 @@ int snd_usb_is_big_endian_format(struct snd_usb_audio *chip, struct audioformat
 }
 
 /*
- * For E-Mu 0404USB/0202USB/TrackerPre sample rate should be set for device,
+ * For E-Mu 0404USB/0202USB/TrackerPre/0204 sample rate should be set for device,
  * not for interface.
  */
 
@@ -589,6 +589,7 @@ void snd_usb_set_format_quirk(struct snd_usb_substream *subs,
         case USB_ID(0x041e, 0x3f02): /* E-Mu 0202 USB */
         case USB_ID(0x041e, 0x3f04): /* E-Mu 0404 USB */
         case USB_ID(0x041e, 0x3f0a): /* E-Mu Tracker Pre */
+        case USB_ID(0x041e, 0x3f19): /* E-Mu 0204 USB */
                 set_format_emu_quirk(subs, fmt);
                 break;
         }