linux-kernel - [PATCH 4.8 093/125] perf data: Fix building in 32 bit platform with libbabeltrace

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Message-Id: <20161029134951.039227378@linuxfoundation.org>
Date:   Sat, 29 Oct 2016 09:50:11 -0400
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Wang Nan <wangnan0@...wei.com>,
        Jiri Olsa <jolsa@...nel.org>, Zefan Li <lizefan@...wei.com>,
        pi3orama@....com, Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 4.8 093/125] perf data: Fix building in 32 bit platform with libbabeltrace

4.8-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Wang Nan <wangnan0@...wei.com>

commit f2c8852e6e990fcab0d9e68de9d86e5fbea0b5dc upstream.

On ARM32 building it report following error when we build with
libbabeltrace:

  util/data-convert-bt.c: In function 'add_bpf_output_values':
  util/data-convert-bt.c:440:3: error: format '%lu' expects argument of type 'long unsigned int', but argument 5 has type 'unsigned int' [-Werror=format]
  cc1: all warnings being treated as errors

Fix it by changing %lu to %zu.

Signed-off-by: Wang Nan <wangnan0@...wei.com>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Zefan Li <lizefan@...wei.com>
Cc: pi3orama@....com
Fixes: 6122d57e9f7c ("perf data: Support converting data from bpf_perf_event_output()")
Link: http://lkml.kernel.org/r/1475035126-146587-1-git-send-email-wangnan0@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 tools/perf/util/data-convert-bt.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/tools/perf/util/data-convert-bt.c
+++ b/tools/perf/util/data-convert-bt.c
@@ -437,7 +437,7 @@ add_bpf_output_values(struct bt_ctf_even
 	int ret;
 
 	if (nr_elements * sizeof(u32) != raw_size)
-		pr_warning("Incorrect raw_size (%u) in bpf output event, skip %lu bytes\n",
+		pr_warning("Incorrect raw_size (%u) in bpf output event, skip %zu bytes\n",
 			   raw_size, nr_elements * sizeof(u32) - raw_size);
 
 	len_type = bt_ctf_event_class_get_field_by_name(event_class, "raw_len");