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Date: Thu, 14 May 2020 10:29:35 +0800 From: Xu Yilun <yilun.xu@...el.com> To: Souptick Joarder <jrdr.linux@...il.com> Cc: hao.wu@...el.com, mdf@...nel.org, linux-fpga@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH] fpga: dfl: afu: Corrected error handling levels The patch looks good to me. Maybe we could add the Fixes tag: Fixes: fa8dda1edef9 (fpga: dfl: afu: add DFL_FPGA_PORT_DMA_MAP/UNMAP ioctls support) Thanks, Yilun On Thu, May 14, 2020 at 12:52:05AM +0530, Souptick Joarder wrote: > Corrected error handling goto sequnece. Level put_pages should > be called when pinned pages >= 0 && pinned != npages. Level > free_pages should be called when pinned pages < 0. > > Signed-off-by: Souptick Joarder <jrdr.linux@...il.com> > --- > drivers/fpga/dfl-afu-dma-region.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/fpga/dfl-afu-dma-region.c b/drivers/fpga/dfl-afu-dma-region.c > index 62f9244..5942343 100644 > --- a/drivers/fpga/dfl-afu-dma-region.c > +++ b/drivers/fpga/dfl-afu-dma-region.c > @@ -61,10 +61,10 @@ static int afu_dma_pin_pages(struct dfl_feature_platform_data *pdata, > region->pages); > if (pinned < 0) { > ret = pinned; > - goto put_pages; > + goto free_pages; > } else if (pinned != npages) { > ret = -EFAULT; > - goto free_pages; > + goto put_pages; > } > > dev_dbg(dev, "%d pages pinned\n", pinned); > -- > 1.9.1
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