This is a note to let you know that I've just added the patch titled
vdpa/mlx5: Don't clear mr struct on destroy MR
to the 5.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
vdpa-mlx5-don-t-clear-mr-struct-on-destroy-mr.patch
and it can be found in the queue-5.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit adf01f9e3492069cff72cbe030f8d82ef2fe68a9
Author: Eli Cohen <elic@xxxxxxxxxx>
Date: Mon Feb 6 14:19:56 2023 +0200
vdpa/mlx5: Don't clear mr struct on destroy MR
[ Upstream commit aef24311bd2d8a6d39a80c34f278b0fd1692aed3 ]
Clearing the mr struct erases the lock owner and causes warnings to be
emitted. It is not required to clear the mr so remove the memset call.
Fixes: 94abbccdf291 ("vdpa/mlx5: Add shared memory registration code")
Signed-off-by: Eli Cohen <elic@xxxxxxxxxx>
Message-Id: <20230206121956.1149356-1-elic@xxxxxxxxxx>
Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/vdpa/mlx5/core/mr.c b/drivers/vdpa/mlx5/core/mr.c
index 32c9925de4736..1f94ea46c01a5 100644
--- a/drivers/vdpa/mlx5/core/mr.c
+++ b/drivers/vdpa/mlx5/core/mr.c
@@ -448,7 +448,6 @@ void mlx5_vdpa_destroy_mr(struct mlx5_vdpa_dev *mvdev)
unmap_direct_mr(mvdev, dmr);
kfree(dmr);
}
- memset(mr, 0, sizeof(*mr));
mr->initialized = false;
out:
mutex_unlock(&mr->mkey_mtx);
