staging: rtl8187se: Fix failure to check pci_map_single()
Beginning with kernel 3.8, the DMA mapping routines issue a warning for the first call to pci_map_single() that is not checked with a pci_dma_mapping_error() call. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -937,7 +937,8 @@ short alloc_rx_desc_ring(struct net_device *dev, u16 bufsize, int count)
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dma_tmp = pci_map_single(pdev, buf, bufsize * sizeof(u8),
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dma_tmp = pci_map_single(pdev, buf, bufsize * sizeof(u8),
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PCI_DMA_FROMDEVICE);
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PCI_DMA_FROMDEVICE);
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if (pci_dma_mapping_error(pdev, dma_tmp))
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return -1;
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if (-1 == buffer_add(&(priv->rxbuffer), buf, dma_tmp,
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if (-1 == buffer_add(&(priv->rxbuffer), buf, dma_tmp,
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&(priv->rxbufferhead))) {
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&(priv->rxbufferhead))) {
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DMESGE("Unable to allocate mem RX buf");
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DMESGE("Unable to allocate mem RX buf");
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