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authorJason Gunthorpe <jgg@nvidia.com>2024-05-28 15:52:52 +0300
committerJason Gunthorpe <jgg@nvidia.com>2024-06-21 16:19:36 +0300
commitc1eb2512596fb3542357bb6c34c286f5e0374538 (patch)
tree6d38a58d703a471dc983f960719d38da934df330 /drivers/infiniband/hw
parentf67ac0061c7614c1548963d3ef1ee1606efd8636 (diff)
downloadlinux-c1eb2512596fb3542357bb6c34c286f5e0374538.tar.xz
RDMA/mlx5: Remove extra unlock on error path
The below commit lifted the locking out of this function but left this error path unlock behind resulting in unbalanced locking. Remove the missed unlock too. Cc: stable@vger.kernel.org Fixes: 627122280c87 ("RDMA/mlx5: Add work to remove temporary entries from the cache") Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Reviewed-by: Michael Guralnik <michaelgur@nvidia.com> Link: https://lore.kernel.org/r/78090c210c750f47219b95248f9f782f34548bb1.1716900410.git.leon@kernel.org Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'drivers/infiniband/hw')
-rw-r--r--drivers/infiniband/hw/mlx5/mr.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index ecc111ed5d86..38d2c743db87 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -641,10 +641,8 @@ static int mlx5_cache_ent_insert(struct mlx5_mkey_cache *cache,
new = &((*new)->rb_left);
if (cmp < 0)
new = &((*new)->rb_right);
- if (cmp == 0) {
- mutex_unlock(&cache->rb_lock);
+ if (cmp == 0)
return -EEXIST;
- }
}
/* Add new node and rebalance tree. */