From 233f0b95ca3a0d1dcbd70bc7e519069a8e10d23e Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Wed, 3 Jun 2009 21:48:40 +0200 Subject: [PATCH] perf_counter tools: Work around warnings in older GCCs MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit GCC 4.1.2 produces: util/parse-options.c: In function ‘get_value’: util/parse-options.c:36: warning: ‘arg’ may be used uninitialized in this function builtin-top.c: In function ‘display_thread’: builtin-top.c:178: warning: ‘printed’ may be used uninitialized in this function Annotate them away by initializing these variables to 0. Cc: Peter Zijlstra Cc: Mike Galbraith Cc: Paul Mackerras Cc: Corey Ashford Cc: Marcelo Tosatti Cc: Arnaldo Carvalho de Melo Cc: Thomas Gleixner LKML-Reference: Signed-off-by: Ingo Molnar --- Documentation/perf_counter/builtin-top.c | 2 +- Documentation/perf_counter/util/parse-options.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/perf_counter/builtin-top.c b/Documentation/perf_counter/builtin-top.c index 16a618446d3f..7c907e25d82b 100644 --- a/Documentation/perf_counter/builtin-top.c +++ b/Documentation/perf_counter/builtin-top.c @@ -175,7 +175,7 @@ static void rb_insert_active_sym(struct rb_root *tree, struct sym_entry *se) static void print_sym_table(void) { - int printed, j; + int printed = 0, j; int counter; float events_per_sec = events/delay_secs; float kevents_per_sec = (events-userspace_events)/delay_secs; diff --git a/Documentation/perf_counter/util/parse-options.c b/Documentation/perf_counter/util/parse-options.c index b80abd9a99bc..551b6bc34e79 100644 --- a/Documentation/perf_counter/util/parse-options.c +++ b/Documentation/perf_counter/util/parse-options.c @@ -33,7 +33,7 @@ static int get_arg(struct parse_opt_ctx_t *p, const struct option *opt, static int get_value(struct parse_opt_ctx_t *p, const struct option *opt, int flags) { - const char *s, *arg; + const char *s, *arg = NULL; const int unset = flags & OPT_UNSET; if (unset && p->opt)