From mboxrd@z Thu Jan 1 00:00:00 1970 From: Akinobu Mita Subject: [PATCH 4/7] scsi: trace: fix transfer length 0 for 6-byte r/w commands Date: Sat, 16 May 2015 16:17:50 +0900 Message-ID: <1431760673-7180-5-git-send-email-akinobu.mita@gmail.com> References: <1431760673-7180-1-git-send-email-akinobu.mita@gmail.com> Return-path: Received: from mail-pa0-f42.google.com ([209.85.220.42]:35969 "EHLO mail-pa0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753542AbbEPHSg (ORCPT ); Sat, 16 May 2015 03:18:36 -0400 Received: by pabts4 with SMTP id ts4so53484974pab.3 for ; Sat, 16 May 2015 00:18:36 -0700 (PDT) In-Reply-To: <1431760673-7180-1-git-send-email-akinobu.mita@gmail.com> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: linux-scsi@vger.kernel.org, "James E.J. Bottomley" Cc: Akinobu Mita For 6-byte r/w commands, transfer length 0 means 256 blocks of data, not 0 block. Signed-off-by: Akinobu Mita Cc: linux-scsi@vger.kernel.org --- drivers/scsi/scsi_trace.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/scsi/scsi_trace.c b/drivers/scsi/scsi_trace.c index 08bb47b..104e817 100644 --- a/drivers/scsi/scsi_trace.c +++ b/drivers/scsi/scsi_trace.c @@ -35,6 +35,8 @@ scsi_trace_rw6(struct trace_seq *p, unsigned char *cdb, int len) lba |= (cdb[2] << 8); lba |= cdb[3]; txlen = cdb[4]; + if (txlen == 0) + txlen = 256; trace_seq_printf(p, "lba=%llu txlen=%llu", (unsigned long long)lba, (unsigned long long)txlen); -- 1.9.1