net/qede: fix possible null pointer dereference
net/qede: fix possible null pointer dereference

In function qede_rss_reta_update(), the pointer params returned from
call to function rte_zmalloc() may be NULL and will be dereferenced.
So, should judge if the params is NULL or not.

Fixes: 8b3ee85efe11 ("net/qede: fix RSS table entries for 100G adapter")
Cc: stable@dpdk.org

Signed-off-by: RongQiang Xie <d93f94b8af6f7bae125e3e7e97b7b2b63ea92ce0@zte.com.cn>
Acked-by: Harish Patil <011828aa8c6d8759d925e6e8880645d7f6744b56@cavium.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk