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staging: vt6655: remove unnecessary null check

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Remove null check for priv->tx0_bufs, because it can never be null at
this point.

Signed-off-by: Nam Cao <namcaov@gmail.com>
Link: https://lore.kernel.org/r/20220909100650.44609-1-namcaov@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Nam Cao 2022-09-09 12:06:51 +02:00 committed by Greg Kroah-Hartman
parent a90044ef56
commit 9ca57c63fa
1 changed files with 6 additions and 7 deletions
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13
drivers/staging/vt6655/device_main.c
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@ -586,13 +586,12 @@ static void device_free_rings(struct vnt_private *priv)
priv->opts.tx_descs[1] * sizeof(struct vnt_tx_desc),
priv->aRD0Ring, priv->pool_dma);
if (priv->tx0_bufs)
dma_free_coherent(&priv->pcid->dev,
priv->opts.tx_descs[0] * PKT_BUF_SZ +
priv->opts.tx_descs[1] * PKT_BUF_SZ +
CB_BEACON_BUF_SIZE +
CB_MAX_BUF_SIZE,
priv->tx0_bufs, priv->tx_bufs_dma0);
dma_free_coherent(&priv->pcid->dev,
priv->opts.tx_descs[0] * PKT_BUF_SZ +
priv->opts.tx_descs[1] * PKT_BUF_SZ +
CB_BEACON_BUF_SIZE +
CB_MAX_BUF_SIZE,
priv->tx0_bufs, priv->tx_bufs_dma0);
}
static int device_init_rd0_ring(struct vnt_private *priv)