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adm80211: add checks for dma mapping errors
authorAlexey Khoroshilov <khoroshilov@ispras.ru>
Fri, 2 Dec 2016 21:52:46 +0000 (00:52 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 30 Nov 2017 08:39:13 +0000 (08:39 +0000)
commit47d1382399b8748210d640333a4d6d018f0c27b6
treefebc0ae783503492c8ea2c8e830ce2a01a34dca0
parent26b6ab58999157081ea1cb7df95993a2fe1cb066
adm80211: add checks for dma mapping errors

[ Upstream commit d15697de60db5570532fdedb8e13b2251d65b8e3 ]

The driver does not check if mapping dma memory succeed.
The patch adds the checks and failure handling.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/net/wireless/admtek/adm8211.c