Re: [PATCH] mmc: sdhci: use goto rather than return directly

From: Adrian Hunter
Date: Tue Oct 16 2018 - 04:30:37 EST


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@xxxxxxxxxx>
> Signed-off-by: Chunyan Zhang <zhang.chunyan@xxxxxxxxxx>
> 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.

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