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staging: precedence bug in crystalhd_stop_tx_dma_engine() 

The intent here is to see if we have cleared the DMA_START_BIT flag.  We
clear it a couple lines later.  The current code has a precedence bug so
it is equivalent to "if (!dma_cntrl) { ...".

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter 2012-01-15 14:29:39 +03:00 committed by Greg Kroah-Hartman
parent a2f9dc5534
commit 2da57c8e4a
1 changed files with 1 additions and 2 deletions
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3
drivers/staging/crystalhd/crystalhd_hw.c
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@ -868,8 +868,7 @@ static enum BC_STATUS crystalhd_stop_tx_dma_engine(struct crystalhd_hw *hw)
BCMLOG(BCMLOG_DBG, "Stopping TX DMA Engine..\n");
/* FIXME: jarod: invert dma_ctrl and check bit? or are there missing parens? */
if (!dma_cntrl & DMA_START_BIT) {
if (!(dma_cntrl & DMA_START_BIT)) {
BCMLOG(BCMLOG_DBG, "Already Stopped\n");
return BC_STS_SUCCESS;
}