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-rw-r--r--drivers/net/wireless/ti/wlcore/event.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/net/wireless/ti/wlcore/event.c b/drivers/net/wireless/ti/wlcore/event.c
index a68bbadae043..a5c261affdc7 100644
--- a/drivers/net/wireless/ti/wlcore/event.c
+++ b/drivers/net/wireless/ti/wlcore/event.c
@@ -40,7 +40,7 @@ int wlcore_event_fw_logger(struct wl1271 *wl)
buffer = kzalloc(WL18XX_LOGGER_SDIO_BUFF_MAX, GFP_KERNEL);
if (!buffer) {
wl1271_error("Fail to allocate fw logger memory");
- fw_log.actual_buff_size = cpu_to_le32(0);
+ actual_len = 0;
goto out;
}
@@ -49,30 +49,30 @@ int wlcore_event_fw_logger(struct wl1271 *wl)
if (ret < 0) {
wl1271_error("Fail to read logger buffer, error_id = %d",
ret);
- fw_log.actual_buff_size = cpu_to_le32(0);
+ actual_len = 0;
goto free_out;
}
memcpy(&fw_log, buffer, sizeof(fw_log));
- if (le32_to_cpu(fw_log.actual_buff_size) == 0)
+ actual_len = le32_to_cpu(fw_log.actual_buff_size);
+ if (actual_len == 0)
goto free_out;
- actual_len = le32_to_cpu(fw_log.actual_buff_size);
start_loc = (le32_to_cpu(fw_log.buff_read_ptr) -
internal_fw_addrbase) - addr;
end_buff_addr += le32_to_cpu(fw_log.max_buff_size);
available_len = end_buff_addr -
(le32_to_cpu(fw_log.buff_read_ptr) -
internal_fw_addrbase);
- actual_len = min(actual_len, available_len);
- len = actual_len;
+ /* Copy initial part from end of ring buffer */
+ len = min(actual_len, available_len);
wl12xx_copy_fwlog(wl, &buffer[start_loc], len);
- clear_addr = addr + start_loc + le32_to_cpu(fw_log.actual_buff_size) +
- internal_fw_addrbase;
+ clear_addr = addr + start_loc + actual_len + internal_fw_addrbase;
- len = le32_to_cpu(fw_log.actual_buff_size) - len;
+ /* Copy any remaining part from beginning of ring buffer */
+ len = actual_len - len;
if (len) {
wl12xx_copy_fwlog(wl,
&buffer[WL18XX_LOGGER_BUFF_OFFSET],
@@ -93,7 +93,7 @@ int wlcore_event_fw_logger(struct wl1271 *wl)
free_out:
kfree(buffer);
out:
- return le32_to_cpu(fw_log.actual_buff_size);
+ return actual_len;
}
EXPORT_SYMBOL_GPL(wlcore_event_fw_logger);