of/address: check for invalid range.cpu_addr
authorColin Ian King <colin.king@canonical.com>
Mon, 17 Aug 2020 11:32:08 +0000 (12:32 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 26 Aug 2020 09:49:13 +0000 (11:49 +0200)
commit3d1bc8c7b20f989721ee471f7d09714d21bdc52e
treeaa5fef9027ef20973c0f3ae532fdf600f4b672a6
parente10e99e4872b3c73e847d0843149af6145cba0d3
of/address: check for invalid range.cpu_addr

[ Upstream commit f49c7faf776f16607c948d852a03b04a88c3b583 ]

Currently invalid CPU addresses are not being sanity checked resulting in
SATA setup failure on a SynQuacer SC2A11 development machine. The original
check was removed by and earlier commit, so add a sanity check back in
to avoid this regression.

Fixes: 7a8b64d17e35 ("of/address: use range parser for of_dma_get_range")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20200817113208.523805-1-colin.king@canonical.com
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/of/address.c