diff options
| author | Larry Finger <Larry.Finger@lwfinger.net> | 2012-12-26 20:51:13 -0600 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-07 12:57:27 -0800 |
| commit | 0d826c3919ceede3c6afc3e87fc7087e0c863e7e (patch) | |
| tree | df45a323ce57677680a2b73384bf5d2314ca5a95 | |
| parent | efe57d5977fa62b8fdf3a38c236d1aa5351228be (diff) | |
| download | blackbird-op-linux-0d826c3919ceede3c6afc3e87fc7087e0c863e7e.tar.gz blackbird-op-linux-0d826c3919ceede3c6afc3e87fc7087e0c863e7e.zip | |
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>
| -rw-r--r-- | drivers/staging/rtl8187se/r8180_core.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/staging/rtl8187se/r8180_core.c b/drivers/staging/rtl8187se/r8180_core.c index ae38475854b5..d10d75e8a33f 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"); |
