If perf_open_imc_mem_bw() fails to open for a perf fd after the first
one, the already opened fds remain open and error is directly returned.
Close the fds inside perf_open_imc_mem_bw() if an error occurs.
Fixes: 7f4d257e3a2a ("selftests/resctrl: Add callback to start a benchmark")
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>
---
v3:
- New patch
---
tools/testing/selftests/resctrl/resctrl_val.c | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)
diff --git a/tools/testing/selftests/resctrl/resctrl_val.c b/tools/testing/selftests/resctrl/resctrl_val.c
index ca4da7f4cf25..f2b6824cd5f2 100644
--- a/tools/testing/selftests/resctrl/resctrl_val.c
+++ b/tools/testing/selftests/resctrl/resctrl_val.c
@@ -306,13 +306,23 @@ static int perf_open_imc_mem_bw(int cpu_no)
for (imc = 0; imc < imcs; imc++) {
ret = open_perf_event(imc, cpu_no, READ);
if (ret)
- return -1;
+ goto close_fds;
ret = open_perf_event(imc, cpu_no, WRITE);
if (ret)
- return -1;
+ goto close_read_fd;
}
return 0;
+
+close_read_fd:
+ close(imc_counters_config[imc][READ].fd);
+close_fds:
+ while (imc--) {
+ close(imc_counters_config[imc][READ].fd);
+ close(imc_counters_config[imc][WRITE].fd);
+ }
+
+ return -1;
}
/*
--
2.39.2
