Commit 0d826c39 authored Dec 26, 2012 by Larry Finger Committed by Greg Kroah-Hartman Jan 07, 2013

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>

parent efe57d59

drivers/staging/rtl8187se/r8180_core.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -937,7 +937,8 @@ short alloc_rx_desc_ring(struct net_device *dev, u16 bufsize, int count)

		dma_tmp = pci_map_single(pdev, buf, bufsize * sizeof(u8),
		PCI_DMA_FROMDEVICE);

		if (pci_dma_mapping_error(pdev, dma_tmp))
		return -1;
		if (-1 == buffer_add(&(priv->rxbuffer), buf, dma_tmp,
		&(priv->rxbufferhead))) {
		DMESGE("Unable to allocate mem RX buf");