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net/mvpp2: check pointer before using it

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Avoid NULL dereference by checking pointer before using it.

Note that the fixes tag is before the driver was renamed
to mvpp2, so the patch will not apply that far back.

Fixes: 3588aaa68eab ("net/mrvl: fix HIF objects allocation")

Signed-off-by: Tomasz Duszynski <tdu@semihalf.com>
This commit is contained in:
Tomasz Duszynski 2018-06-04 11:24:28 +02:00 committed by Ferruh Yigit
parent acab7d58c8
commit 42ab8427d4
1 changed files with 4 additions and 1 deletions
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5
drivers/net/mvpp2/mrvl_ethdev.c
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@ -1614,9 +1614,12 @@ mrvl_rx_queue_release(void *rxq)
if (core_id == LCORE_ID_ANY)
core_id = 0;
if (!q)
return;
hif = mrvl_get_hif(q->priv, core_id);
if (!q || !hif)
if (!hif)
return;
tc = q->priv->rxq_map[q->queue_id].tc;