Commit 2fb750e8 authored by Borislav Petkov's avatar Borislav Petkov Committed by Frederic Weisbecker

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: default avatarBorislav 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: default avatarFrederic Weisbecker <fweisbec@gmail.com>
parent dd833d71
......@@ -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);
}
......
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