[dpdk-dev] [PATCH 2/2] net/cxgbe: skip parsing match items with no spec
Rahul Lakkireddy
rahul.lakkireddy at chelsio.com
Fri Dec 14 20:01:54 CET 2018
Skip parsing pattern match items that have no spec. This fixes NULL
dereference when accessing their non-existent spec.
Fixes: ee61f5113b17 ("net/cxgbe: parse and validate flows")
Cc: stable at dpdk.org
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy at chelsio.com>
---
drivers/net/cxgbe/cxgbe_flow.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/net/cxgbe/cxgbe_flow.c b/drivers/net/cxgbe/cxgbe_flow.c
index 4deaff8f2..7b87bdf58 100644
--- a/drivers/net/cxgbe/cxgbe_flow.c
+++ b/drivers/net/cxgbe/cxgbe_flow.c
@@ -732,6 +732,10 @@ cxgbe_rtef_parse_items(struct rte_flow *flow,
"parse items cannot be repeated (except void)");
repeat[i->type] = 1;
+ /* No spec found for this pattern item. Skip it */
+ if (!i->spec)
+ break;
+
/* validate the item */
ret = cxgbe_validate_item(i, e);
if (ret)
--
2.18.0
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