p54: prevent upload of wrong firmwares
This patch will prevent anyone to upload a firmware which was not designed for his device.
There's still a catch:
There is no easy way to detect if a firmware is for PCI or for USB (1st Gen),
because they all share the same LM86 identifier.
Signed-off-by: Christian Lamparter <chunkeey@web.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/p54/p54pci.c b/drivers/net/wireless/p54/p54pci.c
index aa367a0..3f9a6b0 100644
--- a/drivers/net/wireless/p54/p54pci.c
+++ b/drivers/net/wireless/p54/p54pci.c
@@ -79,6 +79,12 @@
if (err)
return err;
+ if (priv->common.fw_interface != FW_LM86) {
+ dev_err(&priv->pdev->dev, "wrong firmware, "
+ "please get a LM86(PCI) firmware a try again.\n");
+ return -EINVAL;
+ }
+
data = (__le32 *) priv->firmware->data;
remains = priv->firmware->size;
device_addr = ISL38XX_DEV_FIRMWARE_ADDR;