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authorBorislav Petkov <bp@alien8.de>2010-05-31 23:18:18 +0200
committerFrederic Weisbecker <fweisbec@gmail.com>2010-06-01 00:57:14 +0200
commit2fb750e825b5347de0390315f4284f13709a9856 (patch)
tree83ee23e2e1de5460c399e7f527a27acf412022f5 /tools/perf/builtin-record.c
parentdd833d713ccc79e00176eb1b3a6c65638c44e27b (diff)
downloadlinux-2.6.34-ux500-2fb750e825b5347de0390315f4284f13709a9856.tar.gz
perf-record: Check correct pid when forking
When forking the child to be traced, we should check the correct return value from fork() and not a local variable which is otherwise unused. Signed-off-by: Borislav Petkov <bp@alien8.de> Cc: Ingo Molnar <mingo@elte.hu> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Tom Zanussi <tzanussi@gmail.com> Cc: Stephane Eranian <eranian@google.com> LKML-Reference: <20100531211818.GA30175@liondog.tnic> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Diffstat (limited to 'tools/perf/builtin-record.c')
-rw-r--r--tools/perf/builtin-record.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 9bc89050e6f..dc3435e18bd 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -503,7 +503,6 @@ static int __cmd_record(int argc, const char **argv)
{
int i, counter;
struct stat st;
- pid_t pid = 0;
int flags;
int err;
unsigned long waking = 0;
@@ -572,7 +571,7 @@ static int __cmd_record(int argc, const char **argv)
if (forks) {
child_pid = fork();
- if (pid < 0) {
+ if (child_pid < 0) {
perror("failed to fork");
exit(-1);
}