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authorSagi Grimberg <sagig@mellanox.com>2015-08-06 18:32:48 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-09-29 19:33:35 +0200
commitd36593d7ad0123cdda32c25e5d70c4521e4c39e9 (patch)
tree796d90a3b9964c05d8423a6d3bcbaac193c4c677
parenta5b06eff5864b8bbe56cb38a3a986909cc4f9836 (diff)
IB/iser: Fix missing return status check in iser_send_data_out
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>
-rw-r--r--drivers/infiniband/ulp/iser/iser_initiator.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/infiniband/ulp/iser/iser_initiator.c b/drivers/infiniband/ulp/iser/iser_initiator.c
index 3e2118e8ed87..0a47f42fec24 100644
--- 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 *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 *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 *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;
}