linux-kernel - [tip:perf/core] tools lib traceevent: Fix a risk for doing free on uninitialized pointer

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Date:	Sat, 5 Jul 2014 03:41:52 -0700
From:	tip-bot for Rickard Strandqvist <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org,
	rickard_strandqvist@...ctrumdigital.se, hpa@...or.com,
	mingo@...nel.org, jolsa@...nel.org, tglx@...utronix.de,
	namhyung@...nel.org
Subject: [tip:perf/core] tools lib traceevent:
  Fix a risk for doing free on uninitialized pointer

Commit-ID:  21da83fb6c3ff67e969b8770bbb33138c9ede88e
Gitweb:     http://git.kernel.org/tip/21da83fb6c3ff67e969b8770bbb33138c9ede88e
Author:     Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
AuthorDate: Tue, 24 Jun 2014 13:09:10 +0200
Committer:  Jiri Olsa <jolsa@...nel.org>
CommitDate: Fri, 27 Jun 2014 11:14:47 +0200

tools lib traceevent: Fix a risk for doing free on uninitialized pointer

Fix a risk of doing free on an uninitialized pointer.

This was found using a static code analysis program called cppcheck.

Acked-by: Namhyung Kim <namhyung@...nel.org>
Signed-off-by: Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
Link: http://lkml.kernel.org/r/1403608150-13037-1-git-send-email-rickard_strandqvist@spectrumdigital.se
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
---
 tools/lib/traceevent/event-parse.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index 93825a1..cf3a44b 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -2395,7 +2395,7 @@ process_flags(struct event_format *event, struct print_arg *arg, char **tok)
 {
 	struct print_arg *field;
 	enum event_type type;
-	char *token;
+	char *token = NULL;
 
 	memset(arg, 0, sizeof(*arg));
 	arg->type = PRINT_FLAGS;
@@ -2448,7 +2448,7 @@ process_symbols(struct event_format *event, struct print_arg *arg, char **tok)
 {
 	struct print_arg *field;
 	enum event_type type;
-	char *token;
+	char *token = NULL;
 
 	memset(arg, 0, sizeof(*arg));
 	arg->type = PRINT_SYMBOL;
@@ -2487,7 +2487,7 @@ process_hex(struct event_format *event, struct print_arg *arg, char **tok)
 {
 	struct print_arg *field;
 	enum event_type type;
-	char *token;
+	char *token = NULL;
 
 	memset(arg, 0, sizeof(*arg));
 	arg->type = PRINT_HEX;
--
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