[dpdk-dev] [PATCH 2/2] graph: fix dereferencing null pointer
Min Hu (Connor)
humin29 at huawei.com
Thu Apr 22 13:52:20 CEST 2021
From: HongBo Zheng <zhenghongbo3 at huawei.com>
In function 'stats_mem_init', pointer 'stats' should
be confirmed not null before memset it.
Fixes: af1ae8b6a32c ("graph: implement stats")
Cc: stable at dpdk.org
Signed-off-by: HongBo Zheng <zhenghongbo3 at huawei.com>
Signed-off-by: Min Hu (Connor) <humin29 at huawei.com>
---
lib/librte_graph/graph_stats.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/librte_graph/graph_stats.c b/lib/librte_graph/graph_stats.c
index f698bb3..bdc8652 100644
--- a/lib/librte_graph/graph_stats.c
+++ b/lib/librte_graph/graph_stats.c
@@ -119,8 +119,8 @@ stats_mem_init(struct cluster *cluster,
cluster_node_size = RTE_ALIGN(cluster_node_size, RTE_CACHE_LINE_SIZE);
stats = realloc(NULL, sz);
- memset(stats, 0, sz);
if (stats) {
+ memset(stats, 0, sz);
stats->fn = fn;
stats->cluster_node_size = cluster_node_size;
stats->max_nodes = 0;
--
2.7.4
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