diff options
| author | Christian Lamparter <chunkeey@web.de> | 2008-12-26 19:09:34 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-01-29 15:59:39 -0500 |
| commit | e365f16046b72977ec22364215b57af840f0907e (patch) | |
| tree | bbd5f2b2525e3077f9d466715e0e49ade539e6ff /drivers | |
| parent | 6982869d993009c02cefcca98a67b212d0e61c5f (diff) | |
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/p54/p54pci.c | 6 | ||||
| -rw-r--r-- | drivers/net/wireless/p54/p54usb.c | 15 |
2 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/wireless/p54/p54pci.c b/drivers/net/wireless/p54/p54pci.c index aa367a0ddc4..3f9a6b04ea9 100644 --- a/drivers/net/wireless/p54/p54pci.c +++ b/drivers/net/wireless/p54/p54pci.c @@ -79,6 +79,12 @@ static int p54p_upload_firmware(struct ieee80211_hw *dev) 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; diff --git a/drivers/net/wireless/p54/p54usb.c b/drivers/net/wireless/p54/p54usb.c index 3c31c15267b..44d6855bd17 100644 --- a/drivers/net/wireless/p54/p54usb.c +++ b/drivers/net/wireless/p54/p54usb.c @@ -498,6 +498,13 @@ static int p54u_upload_firmware_3887(struct ieee80211_hw *dev) if (err) goto err_upload_failed; + if (priv->common.fw_interface != FW_LM87) { + dev_err(&priv->udev->dev, "wrong firmware, " + "please get a LM87 firmware and try again.\n"); + err = -EINVAL; + goto err_upload_failed; + } + left = block_size = min((size_t)P54U_FW_BLOCK, fw_entry->size); strcpy(buf, p54u_firmware_upload_3887); left -= strlen(p54u_firmware_upload_3887); @@ -648,6 +655,14 @@ static int p54u_upload_firmware_net2280(struct ieee80211_hw *dev) return err; } + if (priv->common.fw_interface != FW_LM86) { + dev_err(&priv->udev->dev, "wrong firmware, " + "please get a LM86(USB) firmware and try again.\n"); + kfree(buf); + release_firmware(fw_entry); + return -EINVAL; + } + #define P54U_WRITE(type, addr, data) \ do {\ err = p54u_write(priv, buf, type,\ |