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SubjectRe: [PATCH] mmc: sdhci: use goto rather than return directly
On Tue, 16 Oct 2018 at 16:30, Adrian Hunter <adrian.hunter@intel.com> wrote:
>
> On 16/10/18 11:19 AM, Chunyan Zhang wrote:
> > The driver should clean resources requested in the function before
> > unnormal return.
> >
> > CC: Linus Walleij <linus.walleij@linaro.org>
> > Signed-off-by: Chunyan Zhang <zhang.chunyan@linaro.org>
> > Fixes: bd9b902798ab ("mmc: sdhci: Implement an SDHCI-specific bounce buffer")
> > ---
> > drivers/mmc/host/sdhci.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
> > index 1b3fbd9..f6b57e1 100644
> > --- a/drivers/mmc/host/sdhci.c
> > +++ b/drivers/mmc/host/sdhci.c
> > @@ -3991,7 +3991,7 @@ int sdhci_setup_host(struct sdhci_host *host)
> > /* This may alter mmc->*_blk_* parameters */
> > ret = sdhci_allocate_bounce_buffer(host);
>
> Do we need the error return? It seems to be zero always.

Or we don't need to check 'ret' for now, right?

>
> > if (ret)
> > - return ret;
> > + goto unreg;
> > }
> >
> > return 0;
> >
>

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