diff options
Diffstat (limited to 'drivers/media/dvb/dvb-usb/ce6230.c')
| -rw-r--r-- | drivers/media/dvb/dvb-usb/ce6230.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/media/dvb/dvb-usb/ce6230.c b/drivers/media/dvb/dvb-usb/ce6230.c index 3df2045b7d2..6d1a3041540 100644 --- a/drivers/media/dvb/dvb-usb/ce6230.c +++ b/drivers/media/dvb/dvb-usb/ce6230.c @@ -39,7 +39,7 @@ static int ce6230_rw_udev(struct usb_device *udev, struct req_t *req) u8 requesttype; u16 value; u16 index; - u8 buf[req->data_len]; + u8 *buf; request = req->cmd; value = req->value; @@ -62,6 +62,12 @@ static int ce6230_rw_udev(struct usb_device *udev, struct req_t *req) goto error; } + buf = kmalloc(req->data_len, GFP_KERNEL); + if (!buf) { + ret = -ENOMEM; + goto error; + } + if (requesttype == (USB_TYPE_VENDOR | USB_DIR_OUT)) { /* write */ memcpy(buf, req->data, req->data_len); @@ -74,7 +80,7 @@ static int ce6230_rw_udev(struct usb_device *udev, struct req_t *req) msleep(1); /* avoid I2C errors */ ret = usb_control_msg(udev, pipe, request, requesttype, value, index, - buf, sizeof(buf), CE6230_USB_TIMEOUT); + buf, req->data_len, CE6230_USB_TIMEOUT); ce6230_debug_dump(request, requesttype, value, index, buf, req->data_len, deb_xfer); @@ -88,6 +94,7 @@ static int ce6230_rw_udev(struct usb_device *udev, struct req_t *req) if (!ret && requesttype == (USB_TYPE_VENDOR | USB_DIR_IN)) memcpy(req->data, buf, req->data_len); + kfree(buf); error: return ret; } |