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authorChristian Lamparter <chunkeey@web.de>2008-12-26 19:09:34 +0100
committerJohn W. Linville <linville@tuxdriver.com>2009-01-29 15:59:39 -0500
commite365f16046b72977ec22364215b57af840f0907e (patch)
treebbd5f2b2525e3077f9d466715e0e49ade539e6ff /drivers/net/wireless/p54
parent6982869d993009c02cefcca98a67b212d0e61c5f (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/net/wireless/p54')
-rw-r--r--drivers/net/wireless/p54/p54pci.c6
-rw-r--r--drivers/net/wireless/p54/p54usb.c15
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,\