perf tools: Assign default value for some pointers

Assign default value for pointers that are identified by the compiler as
non-initialized.

Signed-off-by: Martin Liska <mliska@suse.cz>
Acked-by: Ingo Molnar <mingo@kernel.org>
Link: http://lkml.kernel.org/r/5564393C.1090104@suse.cz
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

3 files changed, 3 insertions, 3 deletions

diff --git a/tools/perf/arch/common.c b/tools/perf/arch/common.c
index 49776f190abf..b7bb42c44694 100644
--- a/tools/perf/arch/common.c
+++ b/tools/perf/arch/common.c
@@ -61,7 +61,7 @@ const char *const mips_triplets[] = {
 static bool lookup_path(char *name)
 {
         bool found = false;
-        char *path, *tmp;
+        char *path, *tmp = NULL;
         char buf[PATH_MAX];
         char *env = getenv("PATH");
 
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 00b6b17e74a7..b9e3eb581884 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -398,7 +398,7 @@ static struct symbol *symbols__find_by_name(struct rb_root *symbols,
                                             const char *name)
 {
         struct rb_node *n;
-        struct symbol_name_rb_node *s;
+        struct symbol_name_rb_node *s = NULL;
 
         if (symbols == NULL)
                 return NULL;
diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c
index 25d6c737be3e..d4957418657e 100644
--- a/tools/perf/util/trace-event-parse.c
+++ b/tools/perf/util/trace-event-parse.c
@@ -173,7 +173,7 @@ void parse_ftrace_printk(struct pevent *pevent,
         char *line;
         char *next = NULL;
         char *addr_str;
-        char *fmt;
+        char *fmt = NULL;
 
         line = strtok_r(file, "\n", &next);
         while (line) {