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staging: mt7621-dma: Remove assignment in if

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Fixes checkpatch error: ASSIGN_IN_IF by adding an inner if in the else
path, this also avoids calling vchan_find_desc when not needed.

Signed-off-by: Christian Lütke-Stetzkamp <christian@lkamp.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christian Lütke-Stetzkamp
2018-03-21 23:25:35 +01:00
committed by Greg Kroah-Hartman
parent c1a3a34081
commit c48f6ac12c
1 changed files with 5 additions and 2 deletions
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7
drivers/staging/mt7621-dma/ralink-gdma.c
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@@ -689,8 +689,11 @@ static enum dma_status gdma_dma_tx_status(struct dma_chan *c,
((chan->next_sg - 1) * desc->sg[0].len);
else
state->residue = desc->residue;
} else if ((vdesc = vchan_find_desc(&chan->vchan, cookie)))
state->residue = to_gdma_dma_desc(vdesc)->residue;
} else {
vdesc = vchan_find_desc(&chan->vchan, cookie);
if (vdesc)
state->residue = to_gdma_dma_desc(vdesc)->residue;
}
spin_unlock_irqrestore(&chan->vchan.lock, flags);
dev_dbg(c->device->dev, "tx residue %d bytes\n", state->residue);