staging: gdm72xx: fix memory leak

We were successfully requesting the firmware but on error it was not
being released.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/gdm72xx/usb_boot.c b/drivers/staging/gdm72xx/usb_boot.c
index 3ccc447..50fbec3 100644 (file)
--- a/drivers/staging/gdm72xx/usb_boot.c
+++ b/drivers/staging/gdm72xx/usb_boot.c
@@ -159,8 +159,10 @@ int usb_boot(struct usb_device *usbdev, u16 pid)
        }
 
        tx_buf = kmalloc(DOWNLOAD_SIZE, GFP_KERNEL);
-       if (tx_buf == NULL)
+       if (tx_buf == NULL) {
+               release_firmware(firm);
                return -ENOMEM;
+       }
 
        if (firm->size < sizeof(hdr)) {
                dev_err(&usbdev->dev, "Cannot read the image info.\n");
@@ -285,8 +287,10 @@ static int em_download_image(struct usb_device *usbdev, const char *img_name,
        }
 
        buf = kmalloc(DOWNLOAD_CHUCK + pad_size, GFP_KERNEL);
-       if (buf == NULL)
+       if (buf == NULL) {
+               release_firmware(firm);
                return -ENOMEM;
+       }
 
        strcpy(buf+pad_size, type_string);
        ret = gdm_wibro_send(usbdev, buf, strlen(type_string)+pad_size);