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-rw-r--r--arch/x86/kernel/cpu/resctrl/rdtgroup.c15
1 files changed, 4 insertions, 11 deletions
diff --git a/arch/x86/kernel/cpu/resctrl/rdtgroup.c b/arch/x86/kernel/cpu/resctrl/rdtgroup.c
index 2b69e560b05f..aa24343f1d23 100644
--- a/arch/x86/kernel/cpu/resctrl/rdtgroup.c
+++ b/arch/x86/kernel/cpu/resctrl/rdtgroup.c
@@ -1614,11 +1614,10 @@ static void mon_event_config_write(void *info)
wrmsr(MSR_IA32_EVT_CFG_BASE + index, mon_info->mon_config, 0);
}
-static int mbm_config_write_domain(struct rdt_resource *r,
- struct rdt_domain *d, u32 evtid, u32 val)
+static void mbm_config_write_domain(struct rdt_resource *r,
+ struct rdt_domain *d, u32 evtid, u32 val)
{
struct mon_config_info mon_info = {0};
- int ret = 0;
/*
* Read the current config value first. If both are the same then
@@ -1627,7 +1626,7 @@ static int mbm_config_write_domain(struct rdt_resource *r,
mon_info.evtid = evtid;
mondata_config_read(d, &mon_info);
if (mon_info.mon_config == val)
- goto out;
+ return;
mon_info.mon_config = val;
@@ -1650,9 +1649,6 @@ static int mbm_config_write_domain(struct rdt_resource *r,
* mbm_local and mbm_total counts for all the RMIDs.
*/
resctrl_arch_reset_rmid_all(r, d);
-
-out:
- return ret;
}
static int mon_config_write(struct rdt_resource *r, char *tok, u32 evtid)
@@ -1661,7 +1657,6 @@ static int mon_config_write(struct rdt_resource *r, char *tok, u32 evtid)
char *dom_str = NULL, *id_str;
unsigned long dom_id, val;
struct rdt_domain *d;
- int ret = 0;
next:
if (!tok || tok[0] == '\0')
@@ -1690,9 +1685,7 @@ next:
list_for_each_entry(d, &r->domains, list) {
if (d->id == dom_id) {
- ret = mbm_config_write_domain(r, d, evtid, val);
- if (ret)
- return -EINVAL;
+ mbm_config_write_domain(r, d, evtid, val);
goto next;
}
}