[PATCH] tools/power x86_energy_perf_policy: Fix the leakage of file descriptor in get_pkg_num

From: Hewenliang
Date: Fri Oct 25 2019 - 03:32:01 EST


we need close the file(fp pointer) before the return of get_pkg_num.

Fixes: 4beec1d75 ("tools/power x86_energy_perf_policy: support HWP.EPP")
Signed-off-by: Hewenliang <hewenliang4@xxxxxxxxxx>
---
tools/power/x86/x86_energy_perf_policy/x86_energy_perf_policy.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/tools/power/x86/x86_energy_perf_policy/x86_energy_perf_policy.c b/tools/power/x86/x86_energy_perf_policy/x86_energy_perf_policy.c
index 3fe1eed900d4..165eb4da8a64 100644
--- a/tools/power/x86/x86_energy_perf_policy/x86_energy_perf_policy.c
+++ b/tools/power/x86/x86_energy_perf_policy/x86_energy_perf_policy.c
@@ -1111,6 +1111,7 @@ unsigned int get_pkg_num(int cpu)
retval = fscanf(fp, "%d\n", &pkg);
if (retval != 1)
errx(1, "%s: failed to parse", pathname);
+ fclose(fp);
return pkg;
}

--
2.19.1