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    SubjectRe: [PATCH] dma: fix returnvar.cocci warnings
    From
    On Sun, Nov 8, 2015 at 9:45 AM, Julia Lawall <julia.lawall@lip6.fr> wrote:
    > Remove unneeded variable used to store return value.
    >
    > Generated by: scripts/coccinelle/misc/returnvar.cocci
    >
    > CC: Sinan Kaya <okaya@codeaurora.org>
    > Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>

    Who is the author?
    I suppose Fengguang is the reporter, right?

    > ---
    >
    > hidma_ll.c | 6 ++----
    > 1 file changed, 2 insertions(+), 4 deletions(-)
    >
    > --- a/drivers/dma/qcom/hidma_ll.c
    > +++ b/drivers/dma/qcom/hidma_ll.c
    > @@ -567,14 +567,13 @@ int hidma_ll_resume(struct hidma_lldev *
    >
    > static int hidma_ll_hw_start(struct hidma_lldev *lldev)
    > {
    > - int rc = 0;
    > unsigned long irqflags;
    >
    > spin_lock_irqsave(&lldev->lock, irqflags);
    > writel(lldev->tre_write_offset, lldev->trca + TRCA_DOORBELL_OFFSET);
    > spin_unlock_irqrestore(&lldev->lock, irqflags);
    >
    > - return rc;
    > + return 0;
    > }
    >
    > bool hidma_ll_isenabled(struct hidma_lldev *lldev)
    > @@ -600,7 +599,6 @@ bool hidma_ll_isenabled(struct hidma_lld
    > int hidma_ll_queue_request(struct hidma_lldev *lldev, u32 tre_ch)
    > {
    > struct hidma_tre *tre;
    > - int rc = 0;
    > unsigned long flags;
    >
    > tre = &lldev->trepool[tre_ch];
    > @@ -618,7 +616,7 @@ int hidma_ll_queue_request(struct hidma_
    > lldev->tre_write_offset = (lldev->tre_write_offset + TRE_SIZE)
    > % lldev->tre_ring_size;
    > spin_unlock_irqrestore(&lldev->lock, flags);
    > - return rc;
    > + return 0;
    > }
    >
    > int hidma_ll_start(struct hidma_lldev *lldev)
    > --
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    --
    With Best Regards,
    Andy Shevchenko


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