| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.2 124/134] IB/iser: Fix missing return status check in iser_send_data_out | Date | Sat, 26 Sep 2015 13:56:16 -0700 |
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4.2-stable review patch. If anyone has any objections, please let me know.
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From: Sagi Grimberg <sagig@mellanox.com>
commit d16739055bd1f562ae4d83e69f7f7f1cefcfbe16 upstream.
Since commit "IB/iser: Fix race between iser connection teardown..." iser_initialize_task_headers() might fail, so we need to check that.
Fixes: 7414dde0a6c3a958e (IB/iser: Fix race between iser connection ...) Signed-off-by: Sagi Grimberg <sagig@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/infiniband/ulp/iser/iser_initiator.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)
--- a/drivers/infiniband/ulp/iser/iser_initiator.c +++ b/drivers/infiniband/ulp/iser/iser_initiator.c @@ -454,7 +454,7 @@ int iser_send_data_out(struct iscsi_conn unsigned long buf_offset; unsigned long data_seg_len; uint32_t itt; - int err = 0; + int err; struct ib_sge *tx_dsg; itt = (__force uint32_t)hdr->itt; @@ -475,7 +475,9 @@ int iser_send_data_out(struct iscsi_conn memcpy(&tx_desc->iscsi_header, hdr, sizeof(struct iscsi_hdr)); /* build the tx desc */ - iser_initialize_task_headers(task, tx_desc); + err = iser_initialize_task_headers(task, tx_desc); + if (err) + goto send_data_out_error; mem_reg = &iser_task->rdma_reg[ISER_DIR_OUT]; tx_dsg = &tx_desc->tx_sg[1]; @@ -502,7 +504,7 @@ int iser_send_data_out(struct iscsi_conn send_data_out_error: kmem_cache_free(ig.desc_cache, tx_desc); - iser_err("conn %p failed err %d\n",conn, err); + iser_err("conn %p failed err %d\n", conn, err); return err; }
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