diff options
Diffstat (limited to 'drivers/media/usb')
| -rw-r--r-- | drivers/media/usb/dvb-usb/dvb-usb-firmware.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/media/usb/dvb-usb/dvb-usb-firmware.c b/drivers/media/usb/dvb-usb/dvb-usb-firmware.c index 733a7ff7b207..0cd9b02739c6 100644 --- a/drivers/media/usb/dvb-usb/dvb-usb-firmware.c +++ b/drivers/media/usb/dvb-usb/dvb-usb-firmware.c @@ -35,29 +35,34 @@ static int usb_cypress_writemem(struct usb_device *udev,u16 addr,u8 *data, u8 le int usb_cypress_load_firmware(struct usb_device *udev, const struct firmware *fw, int type) { - struct hexline hx; + struct hexline *hx; u8 reset; int ret,pos=0; + hx = kmalloc(sizeof(*hx), GFP_KERNEL); + if (!hx) + return -ENOMEM; + /* stop the CPU */ reset = 1; if ((ret = usb_cypress_writemem(udev,cypress[type].cpu_cs_register,&reset,1)) != 1) err("could not stop the USB controller CPU."); - while ((ret = dvb_usb_get_hexline(fw,&hx,&pos)) > 0) { - deb_fw("writing to address 0x%04x (buffer: 0x%02x %02x)\n",hx.addr,hx.len,hx.chk); - ret = usb_cypress_writemem(udev,hx.addr,hx.data,hx.len); + while ((ret = dvb_usb_get_hexline(fw, hx, &pos)) > 0) { + deb_fw("writing to address 0x%04x (buffer: 0x%02x %02x)\n", hx->addr, hx->len, hx->chk); + ret = usb_cypress_writemem(udev, hx->addr, hx->data, hx->len); - if (ret != hx.len) { + if (ret != hx->len) { err("error while transferring firmware " "(transferred size: %d, block size: %d)", - ret,hx.len); + ret, hx->len); ret = -EINVAL; break; } } if (ret < 0) { err("firmware download failed at %d with %d",pos,ret); + kfree(hx); return ret; } @@ -71,6 +76,8 @@ int usb_cypress_load_firmware(struct usb_device *udev, const struct firmware *fw } else ret = -EIO; + kfree(hx); + return ret; } EXPORT_SYMBOL(usb_cypress_load_firmware); |