From: FUJITA Tomonori Date: Sat, 11 Oct 2008 07:00:00 +0000 (+0900) Subject: [SCSI] 3w-9xxx: remove unnecessary local_irq_save/restore for scsi sg copy API X-Git-Tag: v2.6.28-rc1~11^2~4 X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?p=linux-2.6-omap-h63xx.git;a=commitdiff_plain;h=36a529202b334d0513cfeabeadca940ec41c8165 [SCSI] 3w-9xxx: remove unnecessary local_irq_save/restore for scsi sg copy API Since the commit 50bed2e2862a8f3a4f7d683d0d27292e71ef18b9 (sg: disable interrupts inside sg_copy_buffer), no need to disable interrupts before calling scsi_sg_copy_from_buffer. So we can simplify twa_scsiop_execute_scsi_complete() a bit, which disables interrupts just for scsi_sg_copy_from_buffer. Signed-off-by: FUJITA Tomonori Acked-by: Adam Radford Signed-off-by: James Bottomley --- diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c index b92c19bb687..5311317c2e4 100644 --- a/drivers/scsi/3w-9xxx.c +++ b/drivers/scsi/3w-9xxx.c @@ -1924,12 +1924,9 @@ static void twa_scsiop_execute_scsi_complete(TW_Device_Extension *tw_dev, int re (cmd->sc_data_direction == DMA_FROM_DEVICE || cmd->sc_data_direction == DMA_BIDIRECTIONAL)) { if (scsi_sg_count(cmd) == 1) { - unsigned long flags; void *buf = tw_dev->generic_buffer_virt[request_id]; - local_irq_save(flags); scsi_sg_copy_from_buffer(cmd, buf, TW_SECTOR_SIZE); - local_irq_restore(flags); } } } /* End twa_scsiop_execute_scsi_complete() */