[PATCH v2] [BUGFIX]perf probe: Fix to close target file

[Masami Hiramatsu]

Fix a bug to close target elf file in get_text_start_address().

Signed-off-by: Masami Hiramatsu <mhira...@kernel.org>
---
  Changes in v2:
   - handle an error case in elf_begin() too.
---
 tools/perf/util/probe-event.c |    9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index 8319fbb..97b7f8e 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -486,8 +486,10 @@ static int get_text_start_address(const char *exec, 
unsigned long *address)
                return -errno;
 
        elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL);
-       if (elf == NULL)
-               return -EINVAL;
+       if (elf == NULL) {
+               ret = -EINVAL;
+               goto out_close;
+       }
 
        if (gelf_getehdr(elf, &ehdr) == NULL)
                goto out;
@@ -499,6 +501,9 @@ static int get_text_start_address(const char *exec, 
unsigned long *address)
        ret = 0;
 out:
        elf_end(elf);
+out_close:
+       close(fd);
+
        return ret;
 }