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path: root/drivers/scsi/megaraid.c
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Diffstat (limited to 'drivers/scsi/megaraid.c')
-rw-r--r--drivers/scsi/megaraid.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c
index da56163c30a8..66c652035730 100644
--- a/drivers/scsi/megaraid.c
+++ b/drivers/scsi/megaraid.c
@@ -658,7 +658,7 @@ mega_build_cmd(adapter_t *adapter, Scsi_Cmnd *cmd, int *busy)
struct scatterlist *sg;
sg = scsi_sglist(cmd);
- buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
+ buf = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset;
memset(buf, 0, cmd->cmnd[4]);
kunmap_atomic(buf - sg->offset, KM_IRQ0);
@@ -1542,10 +1542,8 @@ mega_cmd_done(adapter_t *adapter, u8 completed[], int nstatus, int status)
if( cmd->cmnd[0] == INQUIRY && !islogical ) {
sgl = scsi_sglist(cmd);
- if( sgl->page ) {
- c = *(unsigned char *)
- page_address((&sgl[0])->page) +
- (&sgl[0])->offset;
+ if( sg_page(sgl) ) {
+ c = *(unsigned char *) sg_virt(&sgl[0]);
} else {
printk(KERN_WARNING
"megaraid: invalid sg.\n");
@@ -4416,8 +4414,7 @@ mega_internal_command(adapter_t *adapter, megacmd_t *mc, mega_passthru *pthru)
scmd = &adapter->int_scmd;
memset(scmd, 0, sizeof(Scsi_Cmnd));
- sdev = kmalloc(sizeof(struct scsi_device), GFP_KERNEL);
- memset(sdev, 0, sizeof(struct scsi_device));
+ sdev = kzalloc(sizeof(struct scsi_device), GFP_KERNEL);
scmd->device = sdev;
scmd->device->host = adapter->host;
@@ -4493,6 +4490,7 @@ static struct scsi_host_template megaraid_template = {
.sg_tablesize = MAX_SGLIST,
.cmd_per_lun = DEF_CMD_PER_LUN,
.use_clustering = ENABLE_CLUSTERING,
+ .use_sg_chaining = ENABLE_SG_CHAINING,
.eh_abort_handler = megaraid_abort,
.eh_device_reset_handler = megaraid_reset,
.eh_bus_reset_handler = megaraid_reset,