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| author | Shani Michaeli <shanim@mellanox.com> | 2013-02-06 16:19:09 +0000 |
|---|---|---|
| committer | Roland Dreier <roland@purestorage.com> | 2013-02-21 11:38:43 -0800 |
| commit | 61083720702a329ed5952e32bda384e3bbc9093c (patch) | |
| tree | e31fb437442c23fdab04f94b69d0c612b870478d /drivers/infiniband | |
| parent | b20e519a81d648aebfbb90811743cc86cd469a48 (diff) | |
| download | lwn-61083720702a329ed5952e32bda384e3bbc9093c.tar.gz lwn-61083720702a329ed5952e32bda384e3bbc9093c.zip | |
mlx4_core: Propagate MR deregistration failures to caller
MR deregistration fails when memory windows are bound to the MR.
Handle such failures by propagating them to the caller ULP.
Signed-off-by: Haggai Eran <haggaie@mellanox.com>
Signed-off-by: Shani Michaeli <shanim@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/hw/mlx4/mr.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/infiniband/hw/mlx4/mr.c b/drivers/infiniband/hw/mlx4/mr.c index bbaf6176f207..254e1cf26439 100644 --- a/drivers/infiniband/hw/mlx4/mr.c +++ b/drivers/infiniband/hw/mlx4/mr.c @@ -68,7 +68,7 @@ struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc) return &mr->ibmr; err_mr: - mlx4_mr_free(to_mdev(pd->device)->dev, &mr->mmr); + (void) mlx4_mr_free(to_mdev(pd->device)->dev, &mr->mmr); err_free: kfree(mr); @@ -163,7 +163,7 @@ struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, return &mr->ibmr; err_mr: - mlx4_mr_free(to_mdev(pd->device)->dev, &mr->mmr); + (void) mlx4_mr_free(to_mdev(pd->device)->dev, &mr->mmr); err_umem: ib_umem_release(mr->umem); @@ -177,8 +177,11 @@ err_free: int mlx4_ib_dereg_mr(struct ib_mr *ibmr) { struct mlx4_ib_mr *mr = to_mmr(ibmr); + int ret; - mlx4_mr_free(to_mdev(ibmr->device)->dev, &mr->mmr); + ret = mlx4_mr_free(to_mdev(ibmr->device)->dev, &mr->mmr); + if (ret) + return ret; if (mr->umem) ib_umem_release(mr->umem); kfree(mr); @@ -212,7 +215,7 @@ struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd, return &mr->ibmr; err_mr: - mlx4_mr_free(dev->dev, &mr->mmr); + (void) mlx4_mr_free(dev->dev, &mr->mmr); err_free: kfree(mr); @@ -291,7 +294,7 @@ struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int acc, return &fmr->ibfmr; err_mr: - mlx4_mr_free(to_mdev(pd->device)->dev, &fmr->mfmr.mr); + (void) mlx4_mr_free(to_mdev(pd->device)->dev, &fmr->mfmr.mr); err_free: kfree(fmr); |