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authorLarry Finger <Larry.Finger@lwfinger.net>2012-12-27 02:51:13 (GMT)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-01-07 20:57:27 (GMT)
commit0d826c3919ceede3c6afc3e87fc7087e0c863e7e (patch)
treedf45a323ce57677680a2b73384bf5d2314ca5a95 /drivers/staging
parentefe57d5977fa62b8fdf3a38c236d1aa5351228be (diff)
downloadlinux-fsl-qoriq-0d826c3919ceede3c6afc3e87fc7087e0c863e7e.tar.xz
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>
Diffstat (limited to 'drivers/staging')
-rw-r--r--drivers/staging/rtl8187se/r8180_core.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/staging/rtl8187se/r8180_core.c b/drivers/staging/rtl8187se/r8180_core.c
index ae38475..d10d75e 100644
--- a/drivers/staging/rtl8187se/r8180_core.c
+++ b/drivers/staging/rtl8187se/r8180_core.c
@@ -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");