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fpga: dfl: afu: Corrected error handling levels

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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.

Fixes: fa8dda1ede ("fpga: dfl: afu: add DFL_FPGA_PORT_DMA_MAP/UNMAP ioctls support")
Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
Acked-by: Wu Hao <hao.wu@intel.com>
Reviewed-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/1589825991-3545-1-git-send-email-jrdr.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Souptick Joarder 2020-05-18 23:49:51 +05:30 committed by Greg Kroah-Hartman
parent b03025c573
commit c9d7e3da1f
1 changed files with 2 additions and 2 deletions
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4
drivers/fpga/dfl-afu-dma-region.c
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@ -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);