perf: Fix warning while reading ring buffer headers

[safe/jmp/linux-2.6] / tools / perf / util / trace-event-read.c

diff --git a/tools/perf/util/trace-event-read.c b/tools/perf/util/trace-event-read.c
index 44889c9..4606639 100644 (file)
--- a/tools/perf/util/trace-event-read.c
+++ b/tools/perf/util/trace-event-read.c
@@ -52,6 +52,12 @@ static unsigned long page_size;
 
 static ssize_t calc_data_size;
 
+/* If it fails, the next read will report it */
+static void skip(int size)
+{
+       lseek(input_fd, size, SEEK_CUR);
+}
+
 static int do_read(int fd, void *buf, int size)
 {
        int rsize = size;
@@ -169,7 +175,6 @@ static void read_ftrace_printk(void)
 static void read_header_files(void)
 {
        unsigned long long size;
-       char *header_page;
        char *header_event;
        char buf[BUFSIZ];
 
@@ -179,10 +184,7 @@ static void read_header_files(void)
                die("did not read header page");
 
        size = read8();
-       header_page = malloc_or_die(size);
-       read_or_die(header_page, size);
-       parse_header_page(header_page, size);
-       free(header_page);
+       skip(size);
 
        /*
         * The size field in the page is of type long,