linux-kernel - [PATCH] tools/perf: Fix a build error on arm64 with clang

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Message-Id: <162037767540.94840.15758657049033010518.stgit@devnote2>
Date:   Fri,  7 May 2021 17:54:35 +0900
From:   Masami Hiramatsu <mhiramat@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     Anders Roxell <anders.roxell@...aro.org>,
        Leo Yan <leo.yan@...aro.org>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] tools/perf: Fix a build error on arm64 with clang

Since Clang's -Wmissing-field-initializers warns if a data
structure is initialized with a signle NULL as below,

 ----
 tools/perf $ make CC=clang LLVM=1
 ...
 arch/arm64/util/kvm-stat.c:74:9: error: missing field 'ops' initializer [-Werror,-Wmissing-field-initializers]
         { NULL },
                ^
 1 error generated.
 ----

add another field initializer expressly as same as other
arch's kvm-stat.c code.


Signed-off-by: Masami Hiramatsu <mhiramat@...nel.org>
---
 tools/perf/arch/arm64/util/kvm-stat.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/arch/arm64/util/kvm-stat.c b/tools/perf/arch/arm64/util/kvm-stat.c
index 2303256b7d05..73d18e0ed6f6 100644
--- a/tools/perf/arch/arm64/util/kvm-stat.c
+++ b/tools/perf/arch/arm64/util/kvm-stat.c
@@ -71,7 +71,7 @@ struct kvm_reg_events_ops kvm_reg_events_ops[] = {
 		.name	= "vmexit",
 		.ops	= &exit_events,
 	},
-	{ NULL },
+	{ NULL, NULL },
 };
 
 const char * const kvm_skip_events[] = {