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mlx4_core: Propagate MR deregistration failures to caller

Forráskód böngészése 
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>
This commit is contained in:
Shani Michaeli
2013-02-06 16:19:09 +00:00
committed by Roland Dreier
szülő b20e519a81
commit 6108372070
4 fájl változott, egészen pontosan 33 új sor hozzáadva és 15 régi sor törölve
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13
drivers/infiniband/hw/mlx4/mr.c
Fájl megtekintése

@@ -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);