fat: ->i_pos race fix

[linux-2.6-omap-h63xx.git] / drivers / scsi / eata_pio.c

diff --git a/drivers/scsi/eata_pio.c b/drivers/scsi/eata_pio.c
index 96180bb47e4189c3fa8304df15fc52d520689915..952505c006dffeba8f13a3a5feb2d41d1575210e 100644 (file)
--- a/drivers/scsi/eata_pio.c
+++ b/drivers/scsi/eata_pio.c
@@ -172,7 +172,7 @@ static void IncStat(struct scsi_pointer *SCp, unsigned int Increment)
                        SCp->Status = 0;
                else {
                        SCp->buffer++;
-                       SCp->ptr = page_address(SCp->buffer->page) + SCp->buffer->offset;
+                       SCp->ptr = sg_virt(SCp->buffer);
                        SCp->this_residual = SCp->buffer->length;
                }
        }
@@ -369,7 +369,6 @@ static int eata_pio_queue(struct scsi_cmnd *cmd,
        cp = &hd->ccb[y];
 
        memset(cp, 0, sizeof(struct eata_ccb));
-       memset(cmd->sense_buffer, 0, sizeof(cmd->sense_buffer));
 
        cp->status = USED;      /* claim free slot */
 
@@ -385,7 +384,7 @@ static int eata_pio_queue(struct scsi_cmnd *cmd,
                cp->DataIn = 0; /* Input mode  */
 
        cp->Interpret = (cmd->device->id == hd->hostid);
-       cp->cp_datalen = cpu_to_be32(cmd->request_bufflen);
+       cp->cp_datalen = cpu_to_be32(scsi_bufflen(cmd));
        cp->Auto_Req_Sen = 0;
        cp->cp_reqDMA = 0;
        cp->reqlen = 0;
@@ -402,15 +401,15 @@ static int eata_pio_queue(struct scsi_cmnd *cmd,
        cp->cmd = cmd;
        cmd->host_scribble = (char *) &hd->ccb[y];
 
-       if (cmd->use_sg == 0) {
+       if (!scsi_bufflen(cmd)) {
                cmd->SCp.buffers_residual = 1;
-               cmd->SCp.ptr = cmd->request_buffer;
-               cmd->SCp.this_residual = cmd->request_bufflen;
+               cmd->SCp.ptr = NULL;
+               cmd->SCp.this_residual = 0;
                cmd->SCp.buffer = NULL;
        } else {
-               cmd->SCp.buffer = cmd->request_buffer;
-               cmd->SCp.buffers_residual = cmd->use_sg;
-               cmd->SCp.ptr = page_address(cmd->SCp.buffer->page) + cmd->SCp.buffer->offset;
+               cmd->SCp.buffer = scsi_sglist(cmd);
+               cmd->SCp.buffers_residual = scsi_sg_count(cmd);
+               cmd->SCp.ptr = sg_virt(cmd->SCp.buffer);
                cmd->SCp.this_residual = cmd->SCp.buffer->length;
        }
        cmd->SCp.Status = (cmd->SCp.this_residual != 0);        /* TRUE as long as bytes 
@@ -816,8 +815,6 @@ static int register_pio_HBA(long base, struct get_conf *gc, struct pci_dev *pdev
        else
                hd->primary = 1;
 
-       sh->unchecked_isa_dma = 0;      /* We can only do PIO */
-
        hd->next = NULL;        /* build a linked list of all HBAs */
        hd->prev = last_HBA;
        if (hd->prev != NULL)