summaryrefslogtreecommitdiffstats
path: root/drivers/staging/go7007
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/staging/go7007')
-rw-r--r--drivers/staging/go7007/go7007-usb.c45
1 files changed, 24 insertions, 21 deletions
diff --git a/drivers/staging/go7007/go7007-usb.c b/drivers/staging/go7007/go7007-usb.c
index f18eaa4bffb..83eec920c7d 100644
--- a/drivers/staging/go7007/go7007-usb.c
+++ b/drivers/staging/go7007/go7007-usb.c
@@ -680,9 +680,10 @@ static void go7007_usb_readinterrupt_complete(struct urb *urb)
{
struct go7007 *go = (struct go7007 *)urb->context;
u16 *regs = (u16 *)urb->transfer_buffer;
+ int status = urb->status;
- if (urb->status != 0) {
- if (urb->status != -ESHUTDOWN &&
+ if (status) {
+ if (status != -ESHUTDOWN &&
go->status != STATUS_SHUTDOWN) {
printk(KERN_ERR
"go7007-usb: error in read interrupt: %d\n",
@@ -723,15 +724,14 @@ static int go7007_usb_read_interrupt(struct go7007 *go)
static void go7007_usb_read_video_pipe_complete(struct urb *urb)
{
struct go7007 *go = (struct go7007 *)urb->context;
- int r;
+ int r, status = urb-> status;
if (!go->streaming) {
wake_up_interruptible(&go->frame_waitq);
return;
}
- if (urb->status != 0) {
- printk(KERN_ERR "go7007-usb: error in video pipe: %d\n",
- urb->status);
+ if (status) {
+ printk(KERN_ERR "go7007-usb: error in video pipe: %d\n", status);
return;
}
if (urb->actual_length != urb->transfer_buffer_length) {
@@ -747,13 +747,12 @@ static void go7007_usb_read_video_pipe_complete(struct urb *urb)
static void go7007_usb_read_audio_pipe_complete(struct urb *urb)
{
struct go7007 *go = (struct go7007 *)urb->context;
- int r;
+ int r, status = urb->status;
if (!go->streaming)
return;
- if (urb->status != 0) {
- printk(KERN_ERR "go7007-usb: error in audio pipe: %d\n",
- urb->status);
+ if (status) {
+ printk(KERN_ERR "go7007-usb: error in audio pipe: %d\n", status);
return;
}
if (urb->actual_length != urb->transfer_buffer_length) {
@@ -794,7 +793,7 @@ static int go7007_usb_stream_start(struct go7007 *go)
return 0;
audio_submit_failed:
- for (i = 0; i < 8; ++i)
+ for (i = 0; i < 7; ++i)
usb_kill_urb(usb->audio_urbs[i]);
video_submit_failed:
for (i = 0; i < 8; ++i)
@@ -1019,10 +1018,9 @@ static int go7007_usb_probe(struct usb_interface *intf,
return 0;
}
- usb = kmalloc(sizeof(struct go7007_usb), GFP_KERNEL);
+ usb = kzalloc(sizeof(struct go7007_usb), GFP_KERNEL);
if (usb == NULL)
return -ENOMEM;
- memset(usb, 0, sizeof(struct go7007_usb));
/* Allocate the URB and buffer for receiving incoming interrupts */
usb->intr_urb = usb_alloc_urb(0, GFP_KERNEL);
@@ -1227,6 +1225,7 @@ static void go7007_usb_disconnect(struct usb_interface *intf)
{
struct go7007 *go = usb_get_intfdata(intf);
struct go7007_usb *usb = go->hpi_context;
+ struct urb *vurb, *aurb;
int i;
go->status = STATUS_SHUTDOWN;
@@ -1234,15 +1233,19 @@ static void go7007_usb_disconnect(struct usb_interface *intf)
/* Free USB-related structs */
for (i = 0; i < 8; ++i) {
- if (usb->video_urbs[i] != NULL) {
- if (usb->video_urbs[i]->transfer_buffer != NULL)
- kfree(usb->video_urbs[i]->transfer_buffer);
- usb_free_urb(usb->video_urbs[i]);
+ vurb = usb->video_urbs[i];
+ if (vurb) {
+ usb_kill_urb(vurb);
+ if (vurb->transfer_buffer)
+ kfree(vurb->transfer_buffer);
+ usb_free_urb(vurb);
}
- if (usb->audio_urbs[i] != NULL) {
- if (usb->audio_urbs[i]->transfer_buffer != NULL)
- kfree(usb->audio_urbs[i]->transfer_buffer);
- usb_free_urb(usb->audio_urbs[i]);
+ aurb = usb->audio_urbs[i];
+ if (aurb) {
+ usb_kill_urb(aurb);
+ if (aurb->transfer_buffer)
+ kfree(aurb->transfer_buffer);
+ usb_free_urb(aurb);
}
}
kfree(usb->intr_urb->transfer_buffer);