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net: airoha: Always check return value from airoha_ppe_foe_get_entry()

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airoha_ppe_foe_get_entry routine can return NULL, so check the returned
pointer is not NULL in airoha_ppe_foe_flow_l2_entry_update()

Fixes: b81e0f2b58 ("net: airoha: Add FLOW_CLS_STATS callback support")
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250618-check-ret-from-airoha_ppe_foe_get_entry-v2-1-068dcea3cc66@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Lorenzo Bianconi 2025-06-18 09:37:40 +02:00 committed by Jakub Kicinski
parent fc27ab4890
commit 78bd03ee1f
1 changed files with 3 additions and 1 deletions
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4
drivers/net/ethernet/airoha/airoha_ppe.c
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@ -809,8 +809,10 @@ airoha_ppe_foe_flow_l2_entry_update(struct airoha_ppe *ppe,
int idle;
hwe = airoha_ppe_foe_get_entry(ppe, iter->hash);
ib1 = READ_ONCE(hwe->ib1);
if (!hwe)
continue;
ib1 = READ_ONCE(hwe->ib1);
state = FIELD_GET(AIROHA_FOE_IB1_BIND_STATE, ib1);
if (state != AIROHA_FOE_STATE_BIND) {
iter->hash = 0xffff;