diff options
| -rw-r--r-- | drivers/staging/wimax/i2400m/fw.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/staging/wimax/i2400m/fw.c b/drivers/staging/wimax/i2400m/fw.c index b2fd4bd2c5f9..92ea5c101e76 100644 --- a/drivers/staging/wimax/i2400m/fw.c +++ b/drivers/staging/wimax/i2400m/fw.c @@ -189,12 +189,17 @@ void i2400m_bm_cmd_prepare(struct i2400m_bootrom_header *cmd) { if (i2400m_brh_get_use_checksum(cmd)) { int i; - u32 checksum = 0; + __le32 checksum = 0; const u32 *checksum_ptr = (void *) cmd->payload; - for (i = 0; i < cmd->data_size / 4; i++) - checksum += cpu_to_le32(*checksum_ptr++); - checksum += cmd->command + cmd->target_addr + cmd->data_size; - cmd->block_checksum = cpu_to_le32(checksum); + + for (i = 0; i < le32_to_cpu(cmd->data_size) / 4; i++) + le32_add_cpu(&checksum, *checksum_ptr++); + + le32_add_cpu(&checksum, le32_to_cpu(cmd->command)); + le32_add_cpu(&checksum, le32_to_cpu(cmd->target_addr)); + le32_add_cpu(&checksum, le32_to_cpu(cmd->data_size)); + + cmd->block_checksum = checksum; } } EXPORT_SYMBOL_GPL(i2400m_bm_cmd_prepare); |