diff options
| author | Russell King (Oracle) <rmk+kernel@armlinux.org.uk> | 2023-05-12 15:07:10 +0100 |
|---|---|---|
| committer | Russell King (Oracle) <rmk+kernel@armlinux.org.uk> | 2024-04-15 11:54:02 +0100 |
| commit | 8e84c4317565652b41fefc9e685330fb5baabc6e (patch) | |
| tree | 98b016c3d7a69702ae59b63820789e7021161ed8 | |
| parent | e8f897f4afef0031fe618a8e94127a0934896aba (diff) | |
net: wlcore: correctness fix fwlog reading
Fix the calculation of clear_offset, which may overflow the end of
the buffer. However, this is harmless if it does because in that case
it will be recalculated when we copy the chunk of messages at the
start of the buffer.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/event.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wireless/ti/wlcore/event.c b/drivers/net/wireless/ti/wlcore/event.c index 1e082d039b82..3bb6ff6e0853 100644 --- a/drivers/net/wireless/ti/wlcore/event.c +++ b/drivers/net/wireless/ti/wlcore/event.c @@ -83,7 +83,7 @@ int wlcore_event_fw_logger(struct wl1271 *wl) /* Copy initial part up to the end of ring buffer */ len = min(actual_len, available_len); wl12xx_copy_fwlog(wl, &buffer[start_loc], len); - clear_ptr = addr_ptr + start_loc + actual_len; + clear_ptr = addr_ptr + start_loc + len; if (clear_ptr == buff_end_ptr) clear_ptr = buff_start_ptr; |