vdpa/ifc/base: fix null pointer dereference
authorAndy Pei <andy.pei@intel.com>
Fri, 8 Jul 2022 05:57:41 +0000 (13:57 +0800)
committerMaxime Coquelin <maxime.coquelin@redhat.com>
Fri, 8 Jul 2022 09:16:45 +0000 (11:16 +0200)
commit60600018d3c6ae9ab4c24f9acb5c213bf9a21aaf
tree9b47a9da273cc1c79f4208da58b0503bafb002d9
parentcd79d1b030bd69df31fd401d1b48c23df0f71d00
vdpa/ifc/base: fix null pointer dereference

Fix null pointer dereference reported in coverity scan.
Output some log information when lm_cfg is null.
Make sure lm_cfg is not null before operate on lm_cfg.

Coverity issue: 378882
Fixes: d7fe5a2861e7 ("net/ifc: support live migration")
Cc: stable@dpdk.org
Signed-off-by: Andy Pei <andy.pei@intel.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
drivers/vdpa/ifc/base/ifcvf.c
drivers/vdpa/ifc/base/ifcvf_osdep.h