From: Don Brace Date: Wed, 4 Nov 2015 21:51:14 +0000 (-0600) Subject: hpsa: correct ioaccel2 sg chain len X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=a736e9b6a03283a2e0fc8190b748b3a672f289c1;p=linux-beck.git hpsa: correct ioaccel2 sg chain len Reviewed-by: Scott Teel Reviewed-by: Justin Lindley Reviewed-by: Kevin Barnett Reviewed-by: Tomas Henzl Reviewed-by: Hannes Reinecke Signed-off-by: Don Brace Signed-off-by: Martin K. Petersen --- diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index 9cf551b1fa9a..61992c08787c 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -1983,7 +1983,7 @@ static int hpsa_map_ioaccel2_sg_chain_block(struct ctlr_info *h, u32 chain_size; chain_block = h->ioaccel2_cmd_sg_list[c->cmdindex]; - chain_size = le32_to_cpu(cp->data_len); + chain_size = le32_to_cpu(cp->sg[0].length); temp64 = pci_map_single(h->pdev, chain_block, chain_size, PCI_DMA_TODEVICE); if (dma_mapping_error(&h->pdev->dev, temp64)) { @@ -2004,7 +2004,7 @@ static void hpsa_unmap_ioaccel2_sg_chain_block(struct ctlr_info *h, chain_sg = cp->sg; temp64 = le64_to_cpu(chain_sg->address); - chain_size = le32_to_cpu(cp->data_len); + chain_size = le32_to_cpu(cp->sg[0].length); pci_unmap_single(h->pdev, temp64, chain_size, PCI_DMA_TODEVICE); } @@ -4315,6 +4315,7 @@ static int hpsa_scsi_ioaccel2_queue_command(struct ctlr_info *h, /* fill in sg elements */ if (use_sg > h->ioaccel_maxsg) { cp->sg_count = 1; + cp->sg[0].length = cpu_to_le32(use_sg * sizeof(cp->sg[0])); if (hpsa_map_ioaccel2_sg_chain_block(h, cp, c)) { atomic_dec(&phys_disk->ioaccel_cmds_out); scsi_dma_unmap(cmd);