diff options
Diffstat (limited to 'drivers/net/netconsole.c')
| -rw-r--r-- | drivers/net/netconsole.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c index 6a6806eeb0c6..9a5cca4ee8b8 100644 --- a/drivers/net/netconsole.c +++ b/drivers/net/netconsole.c @@ -1130,6 +1130,7 @@ static void send_msg_fragmented(struct netconsole_target *nt, */ while (offset < body_len) { int this_header = header_len; + bool msgbody_written = false; int this_offset = 0; int this_chunk = 0; @@ -1148,12 +1149,21 @@ static void send_msg_fragmented(struct netconsole_target *nt, this_offset += this_chunk; } + /* msgbody was finally written, either in the previous + * messages and/or in the current buf. Time to write + * the userdata. + */ + msgbody_written |= offset + this_offset >= msgbody_len; + /* Msg body is fully written and there is pending userdata to * write, append userdata in this chunk */ - if (offset + this_offset >= msgbody_len && - offset + this_offset < body_len) { + if (msgbody_written && offset + this_offset < body_len) { + /* Track how much user data was already sent. First + * time here, sent_userdata is zero + */ int sent_userdata = (offset + this_offset) - msgbody_len; + /* offset of bytes used in current buf */ int preceding_bytes = this_chunk + this_header; if (WARN_ON_ONCE(sent_userdata < 0)) |