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Diffstat (limited to 'sound/usb/line6')
-rw-r--r--sound/usb/line6/driver.c62
-rw-r--r--sound/usb/line6/midibuf.c2
-rw-r--r--sound/usb/line6/pcm.c19
-rw-r--r--sound/usb/line6/podhd.c23
-rw-r--r--sound/usb/line6/toneport.c24
5 files changed, 80 insertions, 50 deletions
diff --git a/sound/usb/line6/driver.c b/sound/usb/line6/driver.c
index 58d624938a9f..ea3a9bd05e68 100644
--- a/sound/usb/line6/driver.c
+++ b/sound/usb/line6/driver.c
@@ -306,7 +306,7 @@ static void line6_data_received(struct urb *urb)
line6_midibuf_read(mb, line6->buffer_message,
LINE6_MIDI_MESSAGE_MAXLEN);
- if (done == 0)
+ if (done <= 0)
break;
line6->message_length = done;
@@ -337,12 +337,16 @@ int line6_read_data(struct usb_line6 *line6, unsigned address, void *data,
{
struct usb_device *usbdev = line6->usbdev;
int ret;
- unsigned char len;
+ unsigned char *len;
unsigned count;
if (address > 0xffff || datalen > 0xff)
return -EINVAL;
+ len = kmalloc(sizeof(*len), GFP_KERNEL);
+ if (!len)
+ return -ENOMEM;
+
/* query the serial number: */
ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0), 0x67,
USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
@@ -351,7 +355,7 @@ int line6_read_data(struct usb_line6 *line6, unsigned address, void *data,
if (ret < 0) {
dev_err(line6->ifcdev, "read request failed (error %d)\n", ret);
- return ret;
+ goto exit;
}
/* Wait for data length. We'll get 0xff until length arrives. */
@@ -361,28 +365,29 @@ int line6_read_data(struct usb_line6 *line6, unsigned address, void *data,
ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), 0x67,
USB_TYPE_VENDOR | USB_RECIP_DEVICE |
USB_DIR_IN,
- 0x0012, 0x0000, &len, 1,
+ 0x0012, 0x0000, len, 1,
LINE6_TIMEOUT * HZ);
if (ret < 0) {
dev_err(line6->ifcdev,
"receive length failed (error %d)\n", ret);
- return ret;
+ goto exit;
}
- if (len != 0xff)
+ if (*len != 0xff)
break;
}
- if (len == 0xff) {
+ ret = -EIO;
+ if (*len == 0xff) {
dev_err(line6->ifcdev, "read failed after %d retries\n",
count);
- return -EIO;
- } else if (len != datalen) {
+ goto exit;
+ } else if (*len != datalen) {
/* should be equal or something went wrong */
dev_err(line6->ifcdev,
"length mismatch (expected %d, got %d)\n",
- (int)datalen, (int)len);
- return -EIO;
+ (int)datalen, (int)*len);
+ goto exit;
}
/* receive the result: */
@@ -391,12 +396,12 @@ int line6_read_data(struct usb_line6 *line6, unsigned address, void *data,
0x0013, 0x0000, data, datalen,
LINE6_TIMEOUT * HZ);
- if (ret < 0) {
+ if (ret < 0)
dev_err(line6->ifcdev, "read failed (error %d)\n", ret);
- return ret;
- }
- return 0;
+exit:
+ kfree(len);
+ return ret;
}
EXPORT_SYMBOL_GPL(line6_read_data);
@@ -408,12 +413,16 @@ int line6_write_data(struct usb_line6 *line6, unsigned address, void *data,
{
struct usb_device *usbdev = line6->usbdev;
int ret;
- unsigned char status;
+ unsigned char *status;
int count;
if (address > 0xffff || datalen > 0xffff)
return -EINVAL;
+ status = kmalloc(sizeof(*status), GFP_KERNEL);
+ if (!status)
+ return -ENOMEM;
+
ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0), 0x67,
USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
0x0022, address, data, datalen,
@@ -422,7 +431,7 @@ int line6_write_data(struct usb_line6 *line6, unsigned address, void *data,
if (ret < 0) {
dev_err(line6->ifcdev,
"write request failed (error %d)\n", ret);
- return ret;
+ goto exit;
}
for (count = 0; count < LINE6_READ_WRITE_MAX_RETRIES; count++) {
@@ -433,28 +442,29 @@ int line6_write_data(struct usb_line6 *line6, unsigned address, void *data,
USB_TYPE_VENDOR | USB_RECIP_DEVICE |
USB_DIR_IN,
0x0012, 0x0000,
- &status, 1, LINE6_TIMEOUT * HZ);
+ status, 1, LINE6_TIMEOUT * HZ);
if (ret < 0) {
dev_err(line6->ifcdev,
"receiving status failed (error %d)\n", ret);
- return ret;
+ goto exit;
}
- if (status != 0xff)
+ if (*status != 0xff)
break;
}
- if (status == 0xff) {
+ if (*status == 0xff) {
dev_err(line6->ifcdev, "write failed after %d retries\n",
count);
- return -EIO;
- } else if (status != 0) {
+ ret = -EIO;
+ } else if (*status != 0) {
dev_err(line6->ifcdev, "write failed (error %d)\n", ret);
- return -EIO;
+ ret = -EIO;
}
-
- return 0;
+exit:
+ kfree(status);
+ return ret;
}
EXPORT_SYMBOL_GPL(line6_write_data);
diff --git a/sound/usb/line6/midibuf.c b/sound/usb/line6/midibuf.c
index 36a610ba342e..c931d48801eb 100644
--- a/sound/usb/line6/midibuf.c
+++ b/sound/usb/line6/midibuf.c
@@ -163,7 +163,7 @@ int line6_midibuf_read(struct midi_buffer *this, unsigned char *data,
int midi_length_prev =
midibuf_message_length(this->command_prev);
- if (midi_length_prev > 0) {
+ if (midi_length_prev > 1) {
midi_length = midi_length_prev - 1;
repeat = 1;
} else
diff --git a/sound/usb/line6/pcm.c b/sound/usb/line6/pcm.c
index fab53f58d447..74b399372e0b 100644
--- a/sound/usb/line6/pcm.c
+++ b/sound/usb/line6/pcm.c
@@ -552,13 +552,6 @@ int line6_init_pcm(struct usb_line6 *line6,
line6pcm->volume_monitor = 255;
line6pcm->line6 = line6;
- line6pcm->max_packet_size_in =
- usb_maxpacket(line6->usbdev,
- usb_rcvisocpipe(line6->usbdev, ep_read), 0);
- line6pcm->max_packet_size_out =
- usb_maxpacket(line6->usbdev,
- usb_sndisocpipe(line6->usbdev, ep_write), 1);
-
spin_lock_init(&line6pcm->out.lock);
spin_lock_init(&line6pcm->in.lock);
line6pcm->impulse_period = LINE6_IMPULSE_DEFAULT_PERIOD;
@@ -568,6 +561,18 @@ int line6_init_pcm(struct usb_line6 *line6,
pcm->private_data = line6pcm;
pcm->private_free = line6_cleanup_pcm;
+ line6pcm->max_packet_size_in =
+ usb_maxpacket(line6->usbdev,
+ usb_rcvisocpipe(line6->usbdev, ep_read), 0);
+ line6pcm->max_packet_size_out =
+ usb_maxpacket(line6->usbdev,
+ usb_sndisocpipe(line6->usbdev, ep_write), 1);
+ if (!line6pcm->max_packet_size_in || !line6pcm->max_packet_size_out) {
+ dev_err(line6pcm->line6->ifcdev,
+ "cannot get proper max packet size\n");
+ return -EINVAL;
+ }
+
err = line6_create_audio_out_urbs(line6pcm);
if (err < 0)
return err;
diff --git a/sound/usb/line6/podhd.c b/sound/usb/line6/podhd.c
index 5ab9e0c89211..8c4375bf34ab 100644
--- a/sound/usb/line6/podhd.c
+++ b/sound/usb/line6/podhd.c
@@ -221,28 +221,32 @@ static void podhd_startup_start_workqueue(unsigned long data)
static int podhd_dev_start(struct usb_line6_podhd *pod)
{
int ret;
- u8 init_bytes[8];
+ u8 *init_bytes;
int i;
struct usb_device *usbdev = pod->line6.usbdev;
+ init_bytes = kmalloc(8, GFP_KERNEL);
+ if (!init_bytes)
+ return -ENOMEM;
+
ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0),
0x67, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
0x11, 0,
NULL, 0, LINE6_TIMEOUT * HZ);
if (ret < 0) {
dev_err(pod->line6.ifcdev, "read request failed (error %d)\n", ret);
- return ret;
+ goto exit;
}
/* NOTE: looks like some kind of ping message */
ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), 0x67,
USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
0x11, 0x0,
- &init_bytes, 3, LINE6_TIMEOUT * HZ);
+ init_bytes, 3, LINE6_TIMEOUT * HZ);
if (ret < 0) {
dev_err(pod->line6.ifcdev,
"receive length failed (error %d)\n", ret);
- return ret;
+ goto exit;
}
pod->firmware_version =
@@ -251,7 +255,7 @@ static int podhd_dev_start(struct usb_line6_podhd *pod)
for (i = 0; i <= 16; i++) {
ret = line6_read_data(&pod->line6, 0xf000 + 0x08 * i, init_bytes, 8);
if (ret < 0)
- return ret;
+ goto exit;
}
ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0),
@@ -259,10 +263,9 @@ static int podhd_dev_start(struct usb_line6_podhd *pod)
USB_TYPE_STANDARD | USB_RECIP_DEVICE | USB_DIR_OUT,
1, 0,
NULL, 0, LINE6_TIMEOUT * HZ);
- if (ret < 0)
- return ret;
-
- return 0;
+exit:
+ kfree(init_bytes);
+ return ret;
}
static void podhd_startup_workqueue(struct work_struct *work)
@@ -382,7 +385,7 @@ static const struct line6_properties podhd_properties_table[] = {
.name = "POD HD500",
.capabilities = LINE6_CAP_PCM
| LINE6_CAP_HWMON,
- .altsetting = 1,
+ .altsetting = 0,
.ep_ctrl_r = 0x81,
.ep_ctrl_w = 0x01,
.ep_audio_r = 0x86,
diff --git a/sound/usb/line6/toneport.c b/sound/usb/line6/toneport.c
index 8e22f430d700..d3871d99ade4 100644
--- a/sound/usb/line6/toneport.c
+++ b/sound/usb/line6/toneport.c
@@ -365,15 +365,20 @@ static bool toneport_has_source_select(struct usb_line6_toneport *toneport)
/*
Setup Toneport device.
*/
-static void toneport_setup(struct usb_line6_toneport *toneport)
+static int toneport_setup(struct usb_line6_toneport *toneport)
{
- int ticks;
+ int *ticks;
struct usb_line6 *line6 = &toneport->line6;
struct usb_device *usbdev = line6->usbdev;
+ ticks = kmalloc(sizeof(*ticks), GFP_KERNEL);
+ if (!ticks)
+ return -ENOMEM;
+
/* sync time on device with host: */
- ticks = (int)get_seconds();
- line6_write_data(line6, 0x80c6, &ticks, 4);
+ *ticks = (int)get_seconds();
+ line6_write_data(line6, 0x80c6, ticks, 4);
+ kfree(ticks);
/* enable device: */
toneport_send_cmd(usbdev, 0x0301, 0x0000);
@@ -388,6 +393,7 @@ static void toneport_setup(struct usb_line6_toneport *toneport)
toneport_update_led(toneport);
mod_timer(&toneport->timer, jiffies + TONEPORT_PCM_DELAY * HZ);
+ return 0;
}
/*
@@ -451,7 +457,9 @@ static int toneport_init(struct usb_line6 *line6,
return err;
}
- toneport_setup(toneport);
+ err = toneport_setup(toneport);
+ if (err)
+ return err;
/* register audio system: */
return snd_card_register(line6->card);
@@ -463,7 +471,11 @@ static int toneport_init(struct usb_line6 *line6,
*/
static int toneport_reset_resume(struct usb_interface *interface)
{
- toneport_setup(usb_get_intfdata(interface));
+ int err;
+
+ err = toneport_setup(usb_get_intfdata(interface));
+ if (err)
+ return err;
return line6_resume(interface);
}
#endif