[PATCH] target: Add blk_put_request()

[Marina Makienko]

blk requests are obtained (some memory is allocated for them)
by means of functions blk_get_request and blk_make_request.
After usage (usually with help of blk_execute_rq) these requests
should be put (and freed) with help of blk_put_request.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Marina Makienko <makienko@xxxxxxxxx>
---
 drivers/target/target_core_pscsi.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c
index 6e32ff6..c048ede 100644
--- a/drivers/target/target_core_pscsi.c
+++ b/drivers/target/target_core_pscsi.c
@@ -1161,6 +1161,7 @@ static int pscsi_execute_cmd(struct se_cmd *cmd)
 	blk_execute_rq_nowait(pdv->pdv_sd->request_queue, NULL, req,
 			(cmd->sam_task_attr == MSG_HEAD_TAG),
 			pscsi_req_done);
+	blk_put_request(req);
 
 	return 0;
 
-- 
1.7.7

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