[dpdk-dev] [PATCH] net/ice: fix coverity issues

[Rami Rosen]

Fix the issues reported by Coverity check, "Null-checking
vsi suggests that it may be null, but it has already been
dereferenced on all paths leading to the check."

Fixes: e0dcf94a0d7f ("net/ice: support VLAN ops")
Fixes: ff963bfa7cb1 ("net/ice: support RSS")
Cc: stable at dpdk.org

Signed-off-by: Wenzhuo Lu <wenzhuo.lu at intel.com>
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Reviewed-by: Rami Rosen <ramirose at gmail.com>