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authorandrea merello <andrea.merello@gmail.com>2014-02-22 20:57:23 +0400
committerJohn W. Linville <linville@tuxdriver.com>2014-02-28 23:08:27 +0400
commitec1da08dd721f53b97e792c749d236907c764932 (patch)
tree82ee8cc494173ae21214d09ca28f0c880c84e2c8 /drivers/message
parent0269da281599fba2bc8bed30953d5a3ff3b083e5 (diff)
downloadlinux-ec1da08dd721f53b97e792c749d236907c764932.tar.xz
rtl818x: check for pci_map_single() success when initializing RX ring
During initialization a number of RX skbs are allocated and mapped for DMA. Currently if pci_map_single() fails, it will result in passing to the HW a wrong DMA address (to write to!). This patch adds check for this condition and eventually causes the driver not to initialize, avoiding at least dangerous DMAs. Signed-off-by: Andrea Merello <andrea.merello@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/message')
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