Merge branch 'tracing/core' into tracing/hw-breakpoints

Conflicts:
	arch/Kconfig
	kernel/trace/trace.h

Merge reason: resolve the conflicts, plus adopt to the new
              ring-buffer APIs.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 13 insertions, 5 deletions

diff --git a/drivers/firewire/sbp2.c b/drivers/firewire/sbp2.c
index 24c45635376..e5df822a813 100644
--- a/drivers/firewire/sbp2.c
+++ b/drivers/firewire/sbp2.c
@@ -201,6 +201,12 @@ static struct fw_device *target_device(struct sbp2_target *tgt)
 #define SBP2_CYCLE_LIMIT		(0xc8 << 12)	/* 200 125us cycles */
 
 /*
+ * There is no transport protocol limit to the CDB length,  but we implement
+ * a fixed length only.  16 bytes is enough for disks larger than 2 TB.
+ */
+#define SBP2_MAX_CDB_SIZE		16
+
+/*
  * The default maximum s/g segment size of a FireWire controller is
  * usually 0x10000, but SBP-2 only allows 0xffff. Since buffers have to
  * be quadlet-aligned, we set the length limit to 0xffff & ~3.
@@ -312,7 +318,7 @@ struct sbp2_command_orb {
 		struct sbp2_pointer next;
 		struct sbp2_pointer data_descriptor;
 		__be32 misc;
-		u8 command_block[12];
+		u8 command_block[SBP2_MAX_CDB_SIZE];
 	} request;
 	struct scsi_cmnd *cmd;
 	scsi_done_fn_t done;
@@ -450,12 +456,12 @@ static void sbp2_status_write(struct fw_card *card, struct fw_request *request,
 	}
 	spin_unlock_irqrestore(&card->lock, flags);
 
-	if (&orb->link != &lu->orb_list)
+	if (&orb->link != &lu->orb_list) {
 		orb->callback(orb, &status);
-	else
+		kref_put(&orb->kref, free_orb);
+	} else {
 		fw_error("status write for unknown orb\n");
-
-	kref_put(&orb->kref, free_orb);
+	}
 
 	fw_send_response(card, request, RCODE_COMPLETE);
 }
@@ -1146,6 +1152,8 @@ static int sbp2_probe(struct device *dev)
 	if (fw_device_enable_phys_dma(device) < 0)
 		goto fail_shost_put;
 
+	shost->max_cmd_len = SBP2_MAX_CDB_SIZE;
+
 	if (scsi_add_host(shost, &unit->device) < 0)
 		goto fail_shost_put;