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path: root/drivers/net/wireless/rt2x00/rt2x00firmware.c
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Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00firmware.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00firmware.c29
1 files changed, 19 insertions, 10 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00firmware.c b/drivers/net/wireless/rt2x00/rt2x00firmware.c
index bab05a56e7a..d2deea2f267 100644
--- a/drivers/net/wireless/rt2x00/rt2x00firmware.c
+++ b/drivers/net/wireless/rt2x00/rt2x00firmware.c
@@ -1,5 +1,5 @@
/*
- Copyright (C) 2004 - 2008 rt2x00 SourceForge Project
+ Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
<http://rt2x00.serialmonkey.com>
This program is free software; you can redistribute it and/or modify
@@ -35,7 +35,6 @@ static int rt2x00lib_request_firmware(struct rt2x00_dev *rt2x00dev)
const struct firmware *fw;
char *fw_name;
int retval;
- u16 crc;
/*
* Read correct firmware from harddisk.
@@ -61,16 +60,26 @@ static int rt2x00lib_request_firmware(struct rt2x00_dev *rt2x00dev)
return -ENOENT;
}
- crc = rt2x00dev->ops->lib->get_firmware_crc(fw->data, fw->size);
- if (crc != (fw->data[fw->size - 2] << 8 | fw->data[fw->size - 1])) {
- ERROR(rt2x00dev, "Firmware checksum error.\n");
- retval = -ENOENT;
- goto exit;
- }
-
INFO(rt2x00dev, "Firmware detected - version: %d.%d.\n",
fw->data[fw->size - 4], fw->data[fw->size - 3]);
+ retval = rt2x00dev->ops->lib->check_firmware(rt2x00dev, fw->data, fw->size);
+ switch (retval) {
+ case FW_OK:
+ break;
+ case FW_BAD_CRC:
+ ERROR(rt2x00dev, "Firmware checksum error.\n");
+ goto exit;
+ case FW_BAD_LENGTH:
+ ERROR(rt2x00dev,
+ "Invalid firmware file length (len=%zu)\n", fw->size);
+ goto exit;
+ case FW_BAD_VERSION:
+ ERROR(rt2x00dev,
+ "Current firmware does not support detected chipset.\n");
+ goto exit;
+ };
+
rt2x00dev->fw = fw;
return 0;
@@ -78,7 +87,7 @@ static int rt2x00lib_request_firmware(struct rt2x00_dev *rt2x00dev)
exit:
release_firmware(fw);
- return retval;
+ return -ENOENT;
}
int rt2x00lib_load_firmware(struct rt2x00_dev *rt2x00dev)