linux-kernel - [PATCH 5/5] perf: Fix build error with -Werror in print_event

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Message-Id: <20120325.162828.1850698867642275016.davem@davemloft.net>
Date:	Sun, 25 Mar 2012 16:28:28 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	acme@...stprotocols.net
CC:	linux-kernel@...r.kernel.org
Subject: [PATCH 5/5] perf: Fix build error with -Werror in
 print_event_desc()


'msz' should not be cast to ssize_t when comparing it to
'sz'.  'sz' is a u32 and thus unsigned, just like the type
of 'msz' which is plain size_t.

Signed-off-by: David S. Miller <davem@...emloft.net>
---
 tools/perf/util/header.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index fcd9cf3..4c7c2d7 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -1177,7 +1177,7 @@ static void print_event_desc(struct perf_header *ph, int fd, FILE *fp)
 		goto error;
 
 	msz = sizeof(attr);
-	if (sz < (ssize_t)msz)
+	if (sz < msz)
 		msz = sz;
 
 	for (i = 0 ; i < nre; i++) {
-- 
1.7.9.1

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