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net/i40e: add parameter check for RSS flow init

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There need an parameter check for RSS flow init, or it may cause
core dump if pointer is NULL in memory copy.

Signed-off-by: Wei Zhao <wei.zhao1@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>
This commit is contained in:
Wei Zhao 2018-11-12 17:25:24 +08:00 committed by Ferruh Yigit
parent 91546fb62e
commit 264b23e3d2
1 changed files with 4 additions and 1 deletions
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5
drivers/net/i40e/i40e_ethdev.c
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@ -12552,13 +12552,16 @@ i40e_rss_conf_init(struct i40e_rte_flow_rss_conf *out,
if (in->key_len > RTE_DIM(out->key) ||
in->queue_num > RTE_DIM(out->queue))
return -EINVAL;
if (!in->key && in->key_len)
return -EINVAL;
if (in->key)
out->conf.key = memcpy(out->key, in->key, in->key_len);
out->conf = (struct rte_flow_action_rss){
.func = in->func,
.level = in->level,
.types = in->types,
.key_len = in->key_len,
.queue_num = in->queue_num,
.key = memcpy(out->key, in->key, in->key_len),
.queue = memcpy(out->queue, in->queue,
sizeof(*in->queue) * in->queue_num),
};