[PATCH] tools/power x86_energy_perf_policy: close opened file

From: Tom Rix
Date: Sat Apr 30 2022 - 09:59:43 EST


The cppcheck reports this issue
x86_energy_perf_policy.c:1244]: (error) Resource leak: fp

When a file is opened with fopen it should be closed with fclose.
So close it.

Fixes: 4beec1d75196 ("tools/power x86_energy_perf_policy: support HWP.EPP")
Signed-off-by: Tom Rix <trix@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 5fd9e594079c..0ed9ae66236d 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
@@ -1239,6 +1239,7 @@ unsigned int get_pkg_num(int cpu)

fp = fopen_or_die(pathname, "r");
retval = fscanf(fp, "%d\n", &pkg);
+ fclose(fp);
if (retval != 1)
errx(1, "%s: failed to parse", pathname);
return pkg;
--
2.27.0