diff options
| author |   Bob Pearson <rpearsonhpe@gmail.com> | 2022-08-05 13:31:54 -0500 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@nvidia.com> | 2022-09-27 10:15:24 -0300 |
| commit | 58651bbb30f87dab474eff31ab564391aa6ea1f3 (patch) | |
| tree | 9d1ce1035b99118c499cbf88de77263f7b45dd69 /drivers/infiniband/sw/rxe/rxe_verbs.c | |
| parent | RDMA/rxe: Add send_common_ack() helper (diff) | |
| download | linux-dev-58651bbb30f87dab474eff31ab564391aa6ea1f3.tar.xz linux-dev-58651bbb30f87dab474eff31ab564391aa6ea1f3.zip | |
RDMA/rxe: Set pd early in mr alloc routines
Move setting of pd in mr objects ahead of any possible errors so that it
will always be set in rxe_mr_cleanup() to avoid seg faults when
rxe_put(mr_pd(mr)) is called.
Fixes: cf40367961d8 ("RDMA/rxe: Move mr cleanup code to rxe_mr_cleanup()")
Link: https://lore.kernel.org/r/20220805183153.32007-2-rpearsonhpe@gmail.com
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Reviewed-by: Li Zhijian <lizhijian@fujitsu.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/sw/rxe/rxe_verbs.c')
| -rw-r--r-- | drivers/infiniband/sw/rxe/rxe_verbs.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.c b/drivers/infiniband/sw/rxe/rxe_verbs.c index da1c484798dd..3d37216609e4 100644 --- a/drivers/infiniband/sw/rxe/rxe_verbs.c +++ b/drivers/infiniband/sw/rxe/rxe_verbs.c @@ -903,7 +903,9 @@ static struct ib_mr *rxe_get_dma_mr(struct ib_pd *ibpd, int access) return ERR_PTR(-ENOMEM); rxe_get(pd); - rxe_mr_init_dma(pd, access, mr); + mr->ibmr.pd = ibpd; + + rxe_mr_init_dma(access, mr); rxe_finalize(mr); return &mr->ibmr; @@ -928,8 +930,9 @@ static struct ib_mr *rxe_reg_user_mr(struct ib_pd *ibpd, rxe_get(pd); + mr->ibmr.pd = ibpd; - err = rxe_mr_init_user(pd, start, length, iova, access, mr); + err = rxe_mr_init_user(rxe, start, length, iova, access, mr); if (err) goto err3; @@ -938,7 +941,6 @@ static struct ib_mr *rxe_reg_user_mr(struct ib_pd *ibpd, return &mr->ibmr; err3: - rxe_put(pd); rxe_cleanup(mr); err2: return ERR_PTR(err); @@ -962,8 +964,9 @@ static struct ib_mr *rxe_alloc_mr(struct ib_pd *ibpd, enum ib_mr_type mr_type, } rxe_get(pd); + mr->ibmr.pd = ibpd; - err = rxe_mr_init_fast(pd, max_num_sg, mr); + err = rxe_mr_init_fast(max_num_sg, mr); if (err) goto err2; @@ -972,7 +975,6 @@ static struct ib_mr *rxe_alloc_mr(struct ib_pd *ibpd, enum ib_mr_type mr_type, return &mr->ibmr; err2: - rxe_put(pd); rxe_cleanup(mr); err1: return ERR_PTR(err); |