ipmi:ssif: Handle a possible NULL pointer reference
authorCorey Minyard <cminyard@mvista.com>
Mon, 23 Dec 2019 16:42:19 +0000 (10:42 -0600)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 11 Mar 2020 06:53:02 +0000 (07:53 +0100)
commitdcbb950c78f81d0822723b453cee240b1f94c7de
treef16ac37c02856469061fadacf07527446d2f20ef
parent96f599646c68278a5d9575304f085ad8e79ba3e2
ipmi:ssif: Handle a possible NULL pointer reference

[ Upstream commit 6b8526d3abc02c08a2f888e8c20b7ac9e5776dfe ]

In error cases a NULL can be passed to memcpy.  The length will always
be zero, so it doesn't really matter, but go ahead and check for NULL,
anyway, to be more precise and avoid static analysis errors.

Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/char/ipmi/ipmi_ssif.c