Messages in this thread Patch in this message | | | From | "NickCheng" <> | Subject | RE: [PATCH] [SCSI] arcmsr: &/| confusion in arcmsr_build_ccb() | Date | Mon, 3 Jan 2011 10:35:40 +0800 |
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Hi Roel, Thanks for your reminding. I agree with you. This patch is absolutely correct. -----Original Message----- From: roel kluin [mailto:roel.kluin@gmail.com] Sent: Sunday, January 02, 2011 2:40 AM To: Matthew Wilcox; just.for.lkml@googlemail.com Cc: nick.cheng@areca.com.tw; Andrew Morton; LKML; James.Bottomley@suse.de; linux-scsi@vger.kernel.org Subject: Re: [PATCH] [SCSI] arcmsr: &/| confusion in arcmsr_build_ccb()
Make sure no other command which does a write, such as UNMAP and WRITE_32, is missed.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com> --- drivers/scsi/arcmsr/arcmsr_hba.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
If you agree this is the right fix, please ack.
diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c index 17e3df4..a5acedc 100644 --- a/drivers/scsi/arcmsr/arcmsr_hba.c +++ b/drivers/scsi/arcmsr/arcmsr_hba.c @@ -1171,7 +1171,7 @@ static int arcmsr_build_ccb(struct AdapterControlBlock *acb, arcmsr_cdb->msgPages = arccdbsize/0x100 + (arccdbsize % 0x100 ? 1 : 0); if ( arccdbsize > 256) arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_SGL_BSIZE; - if (pcmd->cmnd[0]|WRITE_6 || pcmd->cmnd[0]|WRITE_10 || pcmd->cmnd[0]|WRITE_12 ){ + if (pcmd->sc_data_direction == DMA_TO_DEVICE) arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_WRITE; } ccb->arc_cdb_size = arccdbsize;
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