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From: Kevin Traynor <ktraynor@redhat.com>
To: dev@dpdk.org
Cc: ferruh.yigit@intel.com, Kevin Traynor <ktraynor@redhat.com>,
	stable@dpdk.org, Ali Alnubani <alialnu@nvidia.com>
Subject: [dpdk-dev] [PATCH] test/prefetch: fix build with GCC 11
Date: Thu, 20 May 2021 12:06:12 +0100	[thread overview]
Message-ID: <20210520110613.387358-1-ktraynor@redhat.com> (raw)

GCC 11 complains that 'a' is uninitialized.

../dpdk/app/test/test_prefetch.c: In function 'test_prefetch':
../dpdk/app/test/test_prefetch.c:25:9:
error: 'a' may be used uninitialized [-Werror=maybe-uninitialized]
   25 |         rte_prefetch0(&a);
      |         ^~~~~~~~~~~~~~~~~

Fix by initializing 'a'.

Bugzilla ID: 714
Fixes: af75078fece3 ("first public release")
Cc: stable@dpdk.org

Reported-by: Ali Alnubani <alialnu@nvidia.com>
Signed-off-by: Kevin Traynor <ktraynor@redhat.com>
---
 app/test/test_prefetch.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/test/test_prefetch.c b/app/test/test_prefetch.c
index 5489885b51..7b4a8e4144 100644
--- a/app/test/test_prefetch.c
+++ b/app/test/test_prefetch.c
@@ -21,5 +21,5 @@ static int
 test_prefetch(void)
 {
-	int a;
+	int a = 0;
 
 	rte_prefetch0(&a);
-- 
2.31.1


             reply	other threads:[~2021-05-20 11:06 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-20 11:06 Kevin Traynor [this message]
2021-05-20 11:14 ` Ali Alnubani
2021-05-20 14:31 ` [dpdk-dev] [dpdk-stable] " David Marchand
2021-05-20 21:06   ` Thomas Monjalon

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