[PATCH] perfcounter: fix warn_unused_result warnings in perfcounter utils

[Frederic Weisbecker]

Fix warnings for return values that we don't care.

util/quote.c:222: attention : ignoring return value of âfwriteâ, declared with attribute warn_unused_result
util/quote.c:235: attention : ignoring return value of âfwriteâ, declared with attribute warn_unused_result
util/quote.c: In function âwrite_name_quotedpfxâ:
util/quote.c:290: attention : ignoring return value of âfwriteâ, declared with attribute warn_unused_result

Signed-off-by: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Mike Galbraith <efault@xxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Corey Ashford <cjashfor@xxxxxxxxxxxxxxxxxx>
Cc: Marcelo Tosatti <mtosatti@xxxxxxxxxx>
Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 Documentation/perf_counter/util/quote.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/Documentation/perf_counter/util/quote.c b/Documentation/perf_counter/util/quote.c
index 7a49fcf..f18c521 100644
--- a/Documentation/perf_counter/util/quote.c
+++ b/Documentation/perf_counter/util/quote.c
@@ -201,8 +201,9 @@ static size_t quote_c_style_counted(const char *name, ssize_t maxlen,
 	} while (0)
 #define EMITBUF(s, l)                           \
 	do {                                        \
+		int __ret;				\
 		if (sb) strbuf_add(sb, (s), (l));       \
-		if (fp) fwrite((s), (l), 1, fp);        \
+		if (fp) __ret = fwrite((s), (l), 1, fp);        \
 		count += (l);                           \
 	} while (0)
 
@@ -287,7 +288,9 @@ extern void write_name_quotedpfx(const char *pfx, size_t pfxlen,
 		quote_c_style(name, NULL, fp, 1);
 		fputc('"', fp);
 	} else {
-		fwrite(pfx, pfxlen, 1, fp);
+		int ret;
+
+		ret = fwrite(pfx, pfxlen, 1, fp);
 		fputs(name, fp);
 	}
 	fputc(terminator, fp);
-- 
1.6.2.3

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