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-rw-r--r--block/blk-core.c1
-rw-r--r--kernel/trace/blktrace.c2
2 files changed, 2 insertions, 1 deletions
diff --git a/block/blk-core.c b/block/blk-core.c
index 29bcfac..859879d 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -132,6 +132,7 @@ void blk_rq_init(struct request_queue *q, struct request *rq)
INIT_HLIST_NODE(&rq->hash);
RB_CLEAR_NODE(&rq->rb_node);
rq->cmd = rq->__cmd;
+ rq->cmd_len = BLK_MAX_CDB;
rq->tag = -1;
rq->ref_count = 1;
}
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index 73d7860..b32ff44 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -643,7 +643,7 @@ static void blk_add_trace_rq(struct request_queue *q, struct request *rq,
if (blk_pc_request(rq)) {
what |= BLK_TC_ACT(BLK_TC_PC);
__blk_add_trace(bt, 0, rq->data_len, rw, what, rq->errors,
- sizeof(rq->cmd), rq->cmd);
+ rq->cmd_len, rq->cmd);
} else {
what |= BLK_TC_ACT(BLK_TC_FS);
__blk_add_trace(bt, rq->hard_sector, rq->hard_nr_sectors << 9,
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