iwmc3200top: clean up fw_download
1. removed redundant NULL-pointers checks in iwmct_fw_load
as release_firmware and kfree are NULL pointer friendly
2. remove redundant memset of the parser since the structure
is fully initialized in iwmct_fw_parser_init function
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/misc/iwmc3200top/fw-download.c b/drivers/misc/iwmc3200top/fw-download.c
index 50d431e4..474be92 100644
--- a/drivers/misc/iwmc3200top/fw-download.c
+++ b/drivers/misc/iwmc3200top/fw-download.c
@@ -50,8 +50,7 @@
parser->file = file;
parser->file_size = file_size;
parser->cur_pos = 0;
- parser->buf = NULL;
-
+ parser->entry_point = 0;
parser->buf = kzalloc(block_size, GFP_KERNEL);
if (!parser->buf) {
LOG_ERROR(priv, FW_DOWNLOAD, "kzalloc error\n");
@@ -298,8 +297,6 @@
__le32 addr;
int ret;
- /* clear parser struct */
- memset(&priv->parser, 0, sizeof(struct iwmct_parser));
/* get the firmware */
ret = request_firmware(&raw, fw_name, &priv->func->dev);
@@ -317,6 +314,7 @@
LOG_INFO(priv, FW_DOWNLOAD, "Read firmware '%s'\n", fw_name);
+ /* clear parser struct */
ret = iwmct_fw_parser_init(priv, raw->data, raw->size, priv->trans_len);
if (ret < 0) {
LOG_ERROR(priv, FW_DOWNLOAD,
@@ -324,7 +322,6 @@
goto exit;
}
- /* checksum */
if (!iwmct_checksum(priv)) {
LOG_ERROR(priv, FW_DOWNLOAD, "checksum error\n");
ret = -EINVAL;
@@ -333,23 +330,18 @@
/* download firmware to device */
while (iwmct_parse_next_section(priv, &pdata, &len, &addr)) {
- if (iwmct_download_section(priv, pdata, len, addr)) {
+ ret = iwmct_download_section(priv, pdata, len, addr);
+ if (ret) {
LOG_ERROR(priv, FW_DOWNLOAD,
"%s download section failed\n", fw_name);
- ret = -EIO;
goto exit;
}
}
- iwmct_kick_fw(priv, !!(priv->barker & BARKER_DNLOAD_JUMP_MSK));
+ ret = iwmct_kick_fw(priv, !!(priv->barker & BARKER_DNLOAD_JUMP_MSK));
exit:
kfree(priv->parser.buf);
-
- if (raw)
- release_firmware(raw);
-
- raw = NULL;
-
+ release_firmware(raw);
return ret;
}