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qed: Fix memory/entry leak in qed_init_sp_request()

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[ Upstream commit 39477551df ]

Free the allocated SPQ entry or return the acquired SPQ entry to the free
list in error flows.

Signed-off-by: Denis Bolotin <denis.bolotin@cavium.com>
Signed-off-by: Michal Kalderon <michal.kalderon@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Denis Bolotin
2018-11-08 16:46:08 +02:00
committed by Greg Kroah-Hartman
parent eddf936568
commit 484ef22738
1 changed files with 14 additions and 2 deletions
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16
drivers/net/ethernet/qlogic/qed/qed_sp_commands.c
View File

@@ -80,7 +80,7 @@ int qed_sp_init_request(struct qed_hwfn *p_hwfn,
case QED_SPQ_MODE_BLOCK:
if (!p_data->p_comp_data)
return -EINVAL;
goto err;
p_ent->comp_cb.cookie = p_data->p_comp_data->cookie;
break;
@@ -95,7 +95,7 @@ int qed_sp_init_request(struct qed_hwfn *p_hwfn,
default:
DP_NOTICE(p_hwfn, "Unknown SPQE completion mode %d\n",
p_ent->comp_mode);
return -EINVAL;
goto err;
}
DP_VERBOSE(p_hwfn, QED_MSG_SPQ,
@@ -109,6 +109,18 @@ int qed_sp_init_request(struct qed_hwfn *p_hwfn,
memset(&p_ent->ramrod, 0, sizeof(p_ent->ramrod));
return 0;
err:
/* qed_spq_get_entry() can either get an entry from the free_pool,
* or, if no entries are left, allocate a new entry and add it to
* the unlimited_pending list.
*/
if (p_ent->queue == &p_hwfn->p_spq->unlimited_pending)
kfree(p_ent);
else
qed_spq_return_entry(p_hwfn, p_ent);
return -EINVAL;
}
static enum tunnel_clss qed_tunn_clss_to_fw_clss(u8 type)