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wil6210: Sanity check for reported DMA length
authorVladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Sun, 12 May 2013 11:43:33 +0000 (14:43 +0300)
committerJohn W. Linville <linville@tuxdriver.com>
Wed, 22 May 2013 19:05:35 +0000 (15:05 -0400)
commit2a41e1d296e50af37c22c5ff5c968823a12757d5
tree00e7334e6b5cb7b63f1c6ac26e91adf0ad62db0ftree | snapshot
parenta69bdbfe8827899c4f740620218cf91aa5d1ebcfcommit | diff
wil6210: Sanity check for reported DMA length

If Rx descriptor contains garbage, it is possible to access memory beyond
allocated buffer.

Check this condition and drop Rx if reported length is
unreasonable large

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
drivers/net/wireless/ath/wil6210/txrx.c diff | blob | history
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