[QUEUED v20160212 05/19] intel_th: msu: Fix offset for wrapped block

[Alexander Shishkin]

From: Laurent FERT <laurent.fert@xxxxxxxxx>

Fix offset for the second pass on the wrapped block when iterating over
memory in multi-block mode, otherwise wrong part of the block will get
copied.

Signed-off-by: Laurent FERT <laurent.fert@xxxxxxxxx>
Signed-off-by: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
---
 drivers/hwtracing/intel_th/msu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hwtracing/intel_th/msu.c b/drivers/hwtracing/intel_th/msu.c
index 70ca27e456..3c793bbf6a 100644
--- a/drivers/hwtracing/intel_th/msu.c
+++ b/drivers/hwtracing/intel_th/msu.c
@@ -408,7 +408,7 @@ msc_buffer_iterate(struct msc_iter *iter, size_t size, void *data,
 		 * Second time (wrap_count==1), it's just like any other block,
 		 * containing data in the range of [MSC_BDESC..data_bytes].
 		 */
-		if (iter->block == iter->start_block && iter->wrap_count) {
+		if (iter->block == iter->start_block && iter->wrap_count == 2) {
 			tocopy = DATA_IN_PAGE - data_bytes;
 			src += data_bytes;
 		}
-- 
2.7.0