From e943752ecf0ce41cdf949d565140d91c7711dfd9 Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Sun, 9 Mar 2008 13:44:36 +0900 Subject: [SCSI] 3w-xxxx: use sg buffer copy helper functions This rewrites tw_transfer_internal with scsi_sg_copy_from/to_buffer. Signed-off-by: FUJITA Tomonori Cc: Adam Radford Signed-off-by: James Bottomley --- drivers/scsi/3w-xxxx.c | 12 ++---------- 1 file changed, 2 insertions(+), 10 deletions(-) (limited to 'drivers/scsi') diff --git a/drivers/scsi/3w-xxxx.c b/drivers/scsi/3w-xxxx.c index d09532162217..a2fc06022e10 100644 --- a/drivers/scsi/3w-xxxx.c +++ b/drivers/scsi/3w-xxxx.c @@ -1463,18 +1463,10 @@ static void tw_transfer_internal(TW_Device_Extension *tw_dev, int request_id, void *data, unsigned int len) { struct scsi_cmnd *cmd = tw_dev->srb[request_id]; - void *buf; - unsigned int transfer_len; - unsigned long flags = 0; - struct scatterlist *sg = scsi_sglist(cmd); + unsigned long flags; local_irq_save(flags); - buf = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset; - transfer_len = min(sg->length, len); - - memcpy(buf, data, transfer_len); - - kunmap_atomic(buf - sg->offset, KM_IRQ0); + scsi_sg_copy_from_buffer(cmd, data, len); local_irq_restore(flags); } -- cgit v1.2.2