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qcacld-3.0: Do not allocate LRO desc for flow greater than max range

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HOST driver supports max LRO_DESC_POOL_SZ flows that can
be submitted to LRO manager. Currently there is no check
for flow greater than LRO_DESC_POOL_SZ and this is resulting
in invalid de-reference of hdd_lro_desc_entry.

Do not allocate LRO desc for flow greater than max range and
use normal rx path for flow greater than LRO_DESC_POOL_SZ.

Change-Id: I7f44c750afc78f5e044c9405dff30e729d3d28f3
CRs-Fixed: 1064624
(cherry picked from commit 2a8773e73b6c00edfcc621b4c1cba3bae677fb66)
This commit is contained in:
Govind Singh
2016-09-08 19:28:13 +05:30
committed by qcabuildsw
parent 8ff87d80f6
commit 8c54d6cf0c
1 changed files with 5 additions and 0 deletions
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5
core/hdd/src/wlan_hdd_lro.c
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@@ -256,6 +256,11 @@ static int hdd_lro_desc_find(hdd_adapter_t *adapter,
return -ENOMEM; return -ENOMEM;
} }
if (list_empty(&entry->lro_node)) {
hdd_err("Reached max supported lro_desc range\n");
return -EINVAL;
}
list_del_init(&entry->lro_node); list_del_init(&entry->lro_node);
qdf_spin_unlock_bh(&free_pool.lro_pool_lock); qdf_spin_unlock_bh(&free_pool.lro_pool_lock);