[SCSI] use scmd_id(), scmd_channel() throughout code

Wrap a highly common idiom.  Makes the code easier to read, helps pave
the way for sdev->{id,channel} removal, and adds a token that can easily
by grepped-for in the future.

There are a couple sdev_id() and scmd_printk() updates thrown in as well.

Rejections fixed up and
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/scsi/ppa.c b/drivers/scsi/ppa.c
index fafcf5d185e7..05347eed9dd5 100644
--- a/drivers/scsi/ppa.c
+++ b/drivers/scsi/ppa.c
@@ -740,7 +740,7 @@ static int ppa_engine(ppa_struct *dev, struct scsi_cmnd *cmd)
                 }
 
         case 2:         /* Phase 2 - We are now talking to the scsi bus */
-                if (!ppa_select(dev, cmd->device->id)) {
+                if (!ppa_select(dev, scmd_id(cmd))) {
                         ppa_fail(dev, DID_NO_CONNECT);
                         return 0;
                 }