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* [dpdk-stable] [PATCH] graph_stats: do not use a possibly NULL Pointer
@ 2021-05-24  8:58 Thierry Herbelot
  2021-05-24  9:23 ` [dpdk-stable] [dpdk-dev] " Jerin Jacob
  2021-05-24  9:31 ` [dpdk-stable] [PATCH v2] graph: " Thierry Herbelot
  0 siblings, 2 replies; 4+ messages in thread
From: Thierry Herbelot @ 2021-05-24  8:58 UTC (permalink / raw)
  To: dev; +Cc: Thierry Herbelot, Thomas Monjalon, stable, Jerin Jacob, Kiran Kumar K

Use stats only after it was checked not to be NULL.

Fixes: af1ae8b6a32c9 ("graph: implement stats")
Cc: stable@dpdk.org
Cc: Jerin Jacob <jerinj@marvell.com>
Cc: Kiran Kumar K <kirankumark@marvell.com>

Signed-off-by: Thierry Herbelot <thierry.herbelot@6wind.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 125e08d73290..a52994f0f61e 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;
-- 
2.29.2


^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2021-05-25  6:51 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-05-24  8:58 [dpdk-stable] [PATCH] graph_stats: do not use a possibly NULL Pointer Thierry Herbelot
2021-05-24  9:23 ` [dpdk-stable] [dpdk-dev] " Jerin Jacob
2021-05-24  9:31 ` [dpdk-stable] [PATCH v2] graph: " Thierry Herbelot
2021-05-25  6:51   ` [dpdk-stable] [dpdk-dev] " David Marchand

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