[PATCH net-next] qed: Set error code for allocation failures

[Dan Carpenter]

There are several places where we accidentally return success when
kcalloc() fails.

Fixes: fcb39f6c10b2 ("qed: Add mpa buffer descriptors for storing and 
processing mpa fpdus")
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>

diff --git a/drivers/net/ethernet/qlogic/qed/qed_iwarp.c 
b/drivers/net/ethernet/qlogic/qed/qed_iwarp.c
index 409041eab189..6366f2ef82b7 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_iwarp.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_iwarp.c
@@ -2585,7 +2585,7 @@ qed_iwarp_ll2_start(struct qed_hwfn *p_hwfn,
        struct qed_ll2_cbs cbs;
        u32 mpa_buff_size;
        u16 n_ooo_bufs;
-       int rc = 0;
+       int rc;
        int i;
 
        iwarp_info = &p_hwfn->p_rdma_info->iwarp;
@@ -2696,6 +2696,7 @@ qed_iwarp_ll2_start(struct qed_hwfn *p_hwfn,
        if (rc)
                goto err;
 
+       rc = -ENOMEM;
        iwarp_info->partial_fpdus = kcalloc((u16)p_hwfn->p_rdma_info->num_qps,
                                            sizeof(*iwarp_info->partial_fpdus),
                                            GFP_KERNEL);
@@ -2724,7 +2725,7 @@ qed_iwarp_ll2_start(struct qed_hwfn *p_hwfn,
        for (i = 0; i < data.input.rx_num_desc; i++)
                list_add_tail(&iwarp_info->mpa_bufs[i].list_entry,
                              &iwarp_info->mpa_buf_list);
-       return rc;
+       return 0;
 err:
        qed_iwarp_ll2_stop(p_hwfn, p_ptt);