[PATCH 5.15 386/731] RDMA/restrack: Release MR restrack when delete

Greg Kroah-Hartman
2022-12-28T15:18:10Z

From: Mark Zhang <markzhang@nvidia.com>

[ Upstream commit dac153f2802db1ad46207283cb9b2aae3d707a45 ]

The MR restrack also needs to be released when delete it, otherwise it
cause memory leak as the task struct won't be released.

Fixes: 13ef5539def7 ("RDMA/restrack: Count references to the verbs objects")
Signed-off-by: Mark Zhang <markzhang@nvidia.com>
Reviewed-by: Michael Guralnik <michaelgur@nvidia.com>
Link: https://lore.kernel.org/r/703db18e8d4ef628691fb93980a709be673e62e3.1667810736.git.leonro@nvidia.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/infiniband/core/restrack.c | 2 --
1 file changed, 2 deletions(-)

diff --git a/drivers/infiniband/core/restrack.c b/drivers/infiniband/core/restrack.c
index 1f935d9f6178..01a499a8b88d 100644
--- a/drivers/infiniband/core/restrack.c
+++ b/drivers/infiniband/core/restrack.c
@@ -343,8 +343,6 @@ void rdma_restrack_del(struct rdma_restrack_entry *res)
rt = &dev->res[res->type];

old = xa_erase(&rt->xa, res->id);
- if (res->type == RDMA_RESTRACK_MR)
- return;
WARN_ON(old != res);

out:
--
2.35.1