Tom Seewald c8972b1404 char: hpet: add checks after calling ioremap
[ Upstream commit b11701c933112d49b808dee01cb7ff854ba6a77a ]

The function hpet_resources() calls ioremap() two times, but in both
cases it does not check if ioremap() returned a null pointer. Fix this
by adding null pointer checks and returning an appropriate error.

Signed-off-by: Tom Seewald <tseewald@gmail.com>
Link: https://lore.kernel.org/r/20210503115736.2104747-30-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-06-03 09:00:41 +02:00
..
2020-10-14 15:00:20 -07:00
2020-08-31 07:17:17 +02:00
2020-03-19 07:41:02 +01:00
2020-09-07 10:46:35 +02:00