[dpdk-dev] [PATCH v2 2/2] graph: fix dereferencing null pointer
Min Hu (Connor)
humin29 at huawei.com
Thu May 6 09:16:27 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/graph/graph_stats.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/graph/graph_stats.c b/lib/graph/graph_stats.c
index 30e295d..aa70929 100644
--- a/lib/graph/graph_stats.c
+++ b/lib/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
More information about the dev
mailing list