Messages in this thread | | | Date | Sun, 20 Jan 2013 05:55:41 -0800 | From | Vinod Koul <> | Subject | Re: [PATCH] dma: sh/shdma-base.c: remove unnecessary null pointer check |
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On Tue, Jan 15, 2013 at 01:23:48AM +0100, Cong Ding wrote: > the variable chan is dereferenced in line 635, so it is no reason to check > null again in line 641. > > Signed-off-by: Cong Ding <dinggnu@gmail.com> > --- > drivers/dma/sh/shdma-base.c | 3 --- > 1 file changed, 3 deletions(-) > > diff --git a/drivers/dma/sh/shdma-base.c b/drivers/dma/sh/shdma-base.c > index f4cd946..4acb85a 100644 > --- a/drivers/dma/sh/shdma-base.c > +++ b/drivers/dma/sh/shdma-base.c > @@ -638,9 +638,6 @@ static int shdma_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd, > unsigned long flags; > int ret; > > - if (!chan) > - return -EINVAL; > - > switch (cmd) { > case DMA_TERMINATE_ALL: > spin_lock_irqsave(&schan->chan_lock, flags); Applied, Thanks
-- ~Vinod
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