[PATCH 4.20 096/117] nvmet-rdma: Add unlikely for response allocated check

[Greg Kroah-Hartman]

4.20-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Israel Rukshin <israelr@xxxxxxxxxxxx>

commit ad1f824948e4ed886529219cf7cd717d078c630d upstream.

Signed-off-by: Israel Rukshin <israelr@xxxxxxxxxxxx>
Reviewed-by: Sagi Grimberg <sagi@xxxxxxxxxxx>
Reviewed-by: Max Gurtovoy <maxg@xxxxxxxxxxxx>
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
Cc: Raju  Rangoju <rajur@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/nvme/target/rdma.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/nvme/target/rdma.c
+++ b/drivers/nvme/target/rdma.c
@@ -196,7 +196,7 @@ nvmet_rdma_put_rsp(struct nvmet_rdma_rsp
 {
 	unsigned long flags;
 
-	if (rsp->allocated) {
+	if (unlikely(rsp->allocated)) {
 		kfree(rsp);
 		return;
 	}