Messages in this thread | | | From | Tina Johnson <> | Date | Tue, 11 Nov 2014 19:52:30 +0530 (IST) | Subject | Re: [PATCH] drivers: atm: eni: Add pci_dma_mapping_error() call |
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On Mon, 10 Nov 2014, David Miller wrote:
> The 'trouble' label assumes that it is recovering and unwinding state > when an error occurs after the DMA buffer is successfully mapped. > > It unconditionally does pci_unmap_single() if 'paddr' is non-zero > which it might be in the error case depending upon how DMA errors > are represented on a given platform.
Sorry for the trouble and thankyou for your very helpful comment. I will send the revised patch.
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