cifs: clean up checks in cifs_echo_request

Follow-on patch to 7e90d705 which is already in Steve's tree...

The check for tcpStatus == CifsGood is not meaningful since it doesn't
indicate whether the NEGOTIATE request has been done. Also, clarify
why we're checking for maxBuf == 0.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Jeff Layton 2011-02-09 12:01:42 -05:00 committed by Steve French
parent 7e90d705fc
commit 195291e68c

View File

@ -338,10 +338,11 @@ cifs_echo_request(struct work_struct *work)
struct TCP_Server_Info, echo.work);
/*
* We cannot send an echo until the NEGOTIATE_PROTOCOL request is done.
* Also, no need to ping if we got a response recently
* We cannot send an echo until the NEGOTIATE_PROTOCOL request is
* done, which is indicated by maxBuf != 0. Also, no need to ping if
* we got a response recently
*/
if ((server->tcpStatus != CifsGood) || (server->maxBuf == 0) ||
if (server->maxBuf == 0 ||
time_before(jiffies, server->lstrp + SMB_ECHO_INTERVAL - HZ))
goto requeue_echo;