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mcctrl_perf_enable: check os instance & cpu info

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Change-Id: I31ab829d63833f924af17445fd9b8488d6eb454f
This commit is contained in:
tinhnt86
2020-10-08 18:35:08 +07:00
committed by Masamichi Takagi
parent 3cc98883f5
commit 64579830dd
1 changed files with 12 additions and 2 deletions
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14
executer/kernel/mcctrl/control.c
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@ -2351,15 +2351,20 @@ long mcctrl_perf_get(ihk_os_t os, unsigned long *__user arg)
long mcctrl_perf_enable(ihk_os_t os)
{
struct mcctrl_usrdata *usrdata = ihk_host_os_get_usrdata(os);
struct mcctrl_usrdata *usrdata = NULL;
struct ikc_scd_packet isp;
struct perf_ctrl_desc *perf_desc;
struct ihk_cpu_info *info = ihk_os_get_cpu_info(os);
struct ihk_cpu_info *info = NULL;
unsigned long cntr_mask = 0;
int ret = 0;
int i = 0, j = 0;
int need_free;
if (!os || ihk_host_validate_os(os)) {
return -EINVAL;
}
usrdata = ihk_host_os_get_usrdata(os);
if (!usrdata) {
pr_err("%s: error: mcctrl_usrdata not found\n", __func__);
return -EINVAL;
@ -2382,6 +2387,11 @@ long mcctrl_perf_enable(ihk_os_t os)
isp.msg = SCD_MSG_PERF_CTRL;
isp.arg = virt_to_phys(perf_desc);
info = ihk_os_get_cpu_info(os);
if (!info || info->n_cpus < 1) {
kfree(perf_desc);
return -EINVAL;
}
for (j = 0; j < info->n_cpus; j++) {
ret = mcctrl_ikc_send_wait(os, j, &isp, 0,
wakeup_desc_of_perf_desc(perf_desc),