diff options
Diffstat (limited to 'drivers/net/netconsole.c')
| -rw-r--r-- | drivers/net/netconsole.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c index 9c09293b5258..3e68f7a6e0ab 100644 --- a/drivers/net/netconsole.c +++ b/drivers/net/netconsole.c @@ -1118,8 +1118,14 @@ static void send_ext_msg_udp(struct netconsole_target *nt, const char *msg, this_chunk = min(userdata_len - sent_userdata, MAX_PRINT_CHUNK - preceding_bytes); - if (WARN_ON_ONCE(this_chunk <= 0)) + if (WARN_ON_ONCE(this_chunk < 0)) + /* this_chunk could be zero if all the previous + * message used all the buffer. This is not a + * problem, userdata will be sent in the next + * iteration + */ return; + memcpy(buf + this_header + this_offset, userdata + sent_userdata, this_chunk); |